Categories that include the terms: LEADSCREW and ASSEMBLIES and PRECISION and ANTI and BACKLASH
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Clutches and Brakes |  |
Clutch Assemblies - Slip - Precision (Relevance 5/10)
Adjustable Torque range 360-3600 g.cm (5-50 oz.in).
303 Stainless Steel. Brake : Oil Impregnated Bronze. Use with hubless gears with 9.525 bore and 3.175 face width.
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Bearings - Specialty | |
Bearings - Ball - Single Row - Radial - Unflanged - High Precision (Relevance 4/10)
Stainless and Chrome Steel Bearings - Abec 5 and Abec 7.
Single Row Radial Ball Bearings. Miniature sizes from 1mm bore to over 50mm bore. Not all bearings are readily available. Please enquire. True high precision bearings are not recommended for skates or fishing reels. High precision bearings are used in accurately balanced application such as spindles, gyros and medical equipment. If your application is not of a precision nature, standard bearings may be more suitable (and less expensive).
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Hinges | |
Hinges - Flexi-Hinge - Precision (Relevance 4/10)
Double and Single Ended - Limited Angle Rotary Applications.
Zero Backlash. Constant Spring Rate. No lubrication required. Self centering on removal of load. -53 to +176 Deg. Celsius operating temperature.
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Linear Drive Systems - Leadscrew | |
Leadscrew Nut Flanges for Acme Nuts (Relevance 4/10)
Flanges for Acme leadscrew thread nuts imperial
These flanges are screwed onto the outer thread of the red leadscrew nuts This provides a mounting surface to enable location of the leadscrew nut on the surface to be moved
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Leadscrew Nuts - Imperial - Acme (Relevance 4/10)
Acme Leadscrew Nuts - Use with Acme Leadscrew thread and flanges for mounting
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Leadscrew Nuts - Metric - Flanged - Plastic (Relevance 4/10)
Trapezoidal thread design. Use with metric leadscrew thread listed in separate category.
Material: Iglidur W300. Single Start / Right Hand.
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Leadscrew Nuts - Metric - Hexagonal - Metallic (Relevance 4/10)
Trapezoidal thread design. Use with metric leadscrew thread listed in separate category.
Material: Carbon Manganese Steel S300 Pb (11 SMn Pb37). If welding, difficulties may arise with bubbling due to sulphur content. To be used with screws:- LFM, LSM, LRH, LSRH (Single Start). Manual control - Low rotation speeds - For clamping or locking functions - For receiving dead weights. For power transmission and continuous use, always use bronze nuts, never steel. Nuts and screws should always be lubricated with grease or oil.
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Leadscrew Nuts - Metric - Round - Metallic (Relevance 4/10)
Trapezoidal thread design. Use with metric leadscrew thread listed in separate category.
Material: KSM = Carbon Manganese Steel S300 Pb (11 SMn Pb37) / LRM = Bronze CuSn8P. Carbon Manganese steel can be welded but difficulties may arise with bubbling due to sulphur content. KSM: Manual control control only - low rotational speeds only - for clamping or locking functions - for receiving dead weights. LRM: Manual or powered control - low and medium rotational speeds - for working under load. For power transmission and continuous use always use bronze nuts not steel.
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Leadscrew Nuts - Metric - Square - Metallic (Relevance 4/10)
Trapezoidal thread design. Use with metric leadscrew thread listed in separate category.
Material: Carbon Manganese Steel S300 Pb (11 SMn Pb37). If welding, difficulties may arise with bubbling due to sulphur content. To be used with screws:- LFM, LSM, LRH, LSRH (Single Start). Manual control - Low rotation speeds - For clamping or locking functions - For receiving dead weights. For power transmission and continuous use, always use bronze nuts, never steel. Nuts and screws should always be lubricated with grease or oil.
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Leadscrews - Imperial - Acme (Relevance 4/10)
Acme Leadscrew Thread - Use with Acme Supernuts
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Leadscrews - Metric - Acme (Relevance 4/10)
Acme Leadscrew Thread - Use with Acme Supernuts
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Leadscrews - Metric - Rolled Thread - Carbon Steel (Relevance 4/10)
Trapezoidal thread design. Use with metric leadscrew nuts listed in separate category.
Carbon Steel C35 For power transmission and continuous use always use bronze nuts - never steel. Nuts and screws should always be lubricated with grease or oil. Steel nuts with steel screws should only be used for hand motion. Efficiency Guide 20 percent with lubrication for single start.
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Shaft and Shafting | |
Shafting - Ground - Precision (Relevance 4/10)
Precision ground shafting. Various materials including silver steel, 303 304 316 416 stainless steel, hardened carbon steel, chrome vanadium alloy.
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Springs | |
Spring Motor Assemblies - Open - RINO (Relevance 4/10)
Budget Assemblies. Average fatigue life of 5000 to 30000 cycles.
Springs : 301 Stainless Steel. Average fatigue life of 5,000 to 30,000 cycles.
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Washers | |
Washers - Flat - Brass - Precision (Relevance 4/10)
Precision Tolerances. Laminated brass shim washers.
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Washers - Flat - Precision - All Types (Relevance 4/10)
Includes all materials listed in other precision washer categories.
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Washers - Flat - Stainless Steel - Precision (Relevance 4/10)
Precision Tolerances.
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Gears and Gearing - Antibacklash | |
Gears - Spur - Antibacklash - 32 Pitch (Relevance 3/10)
Steel - Stainless Steel - Aluminium - 20 Degree Pressure Angle.
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Gears and Gearing - Matched Sets | |
Gears - Bevel - 48 Pitch - Precision Matched Sets (Relevance 3/10)
Sold as sets. For 90 degree angle power transfer.
Stainless : 303 Stainless Steel. Aluminium : 2024-T4 or T351 Aluminium Alloy Anodised before cutting. AGMA Q10 Quality. 20 Degree Pressure Angle. See Gears - Mitre for 1:1 ratios.
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Gears - Mitre - 48 Pitch - Precision Matched Sets (Relevance 3/10)
Sold as sets - 1:1 Ratio. Stainless steel and aluminium.
Stainless : 303 Stainless Steel. Aluminium : 2024-T4 or T351 Aluminium Alloy Anodised before cutting. AGMA Q10 Quality. 20 Degree Pressure Angle. Mitre gear sets provide a 1:1 ratio on a 90 degree angle.
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Handles and Knobs | |
Knobs - Precision - Knurled (Relevance 3/10)
Set screw and clamp types - Stainless Steel. Also known as Thumb Knobs.
303 Stainless Steel. ID Tolerance +0.013 / -0.000 mm (+0.0005 / - 0.0000 inch).
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Hobby Condensed Selection | |
Hobby Washers - Precision Shim (Relevance 3/10)
A small selection of popular sizes.
See main listings for sizes not shown here.
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Linear Motion Bearings | |
Bearings - Linear - Ball - Thomson Precision Steel (Closed) (Relevance 3/10)
For running on shafts fixed at the ends.
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Mounts and Vibration Control | |
Mounts - Finger Flex Assemblies (Relevance 3/10)
Cadmium Plated Steel Housing. Natural Rubber Isolators. Natural Frequency 6-30 Hz.
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Springs | |
Spring Assemblies - Bracket - RINO (Relevance 3/10)
Spring: Stainless Steel 301 S21 Grade. Bobbin and Bracket: Nylon Moulded secured to aluminium sheet. Constant force extension springs provide a huge range of application opportunities. Springs can be extended in excess of 50 times the relaxed length of the spring. End holes are centred at the distances and diameters shown in the tables.
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Spring Assemblies - Small Bracket - RINO (Relevance 3/10)
Spring: Stainless Steel 301 S21 Grade. Base: Aluminium Drum: High Impact Styrine. Constant force extension springs provide a huge range of application opportunities. Springs can be extended in excess of 50 times the relaxed length of the spring.
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Spring Motor Assemblies - SDP (Relevance 3/10)
Base Mounted.
Base Mounted. Springs : 301 Stainless Steel.
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Washers | |
Washers - Flat - Carbon Spring Steel - Precision (Relevance 3/10)
Flat Carbon Spring Steel Washers.
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Washers - Flat - Sintered Bronze - Precision (Relevance 3/10)
Flat washers from oil impregnated sintered bronze
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Balls | |
Balls - Tungsten Carbide (Relevance 1/10)
Extreme hardness and wear resistance.
Tolerances available on request. Precision Grade: Grade 25. Hardness: Rockwell A: 91.5 (Approx 77 Rockwell C). Extreme hardness and wear resistance. Specific Gravity: 14.95.
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Bearings | |
Bearings - Ball - 440C Stainless 6000 / 6200 / 6300 Series (Relevance 1/10)
Stainless Steel 440C Grade - Hardened - Precision - Corrosion Resistant.
Single Row Radial Ball Bearings. Not all bearings are readily available. Please enquire.
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Clamping and Locking | |
Clamps - Gear - Screw Type (Relevance 1/10)
Commercial - Precision - Stainless - Aluminium - Carbon Steel - For clamp type gears.
Precision Type : Height and Clearance Radii Tolerances +/- 0.397. Precision Type : All other dimensional tolerances except ID +/-0.127. Commercial Type : Height and Clearance Radii Tolerances +/- 0.794. Commercial Type : All other dimensional tolerances except ID +/-0.254. ID Tolerances - Refer to table.
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Clamps - Gear - Split (Relevance 1/10)
Commercial - Precision - Stainless - Aluminium - Carbon Steel - For clamp type gears.
Precision Type : Height and Clearance Radii Tolerances +/- 0.397. Precision Type : All other dimensional tolerances except ID +/-0.127. Commercial Type : Height and Clearance Radii Tolerances +/- 0.794. Commercial Type : All other dimensional tolerances except ID +/-0.254. ID Tolerances - Refer to table.
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Collars - Shaft - Standard (Relevance 1/10)
Includes miniature precision types. Carbon steel, 303 and 316 stainless.
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Shaftloc-tm Simple Type M (Relevance 1/10)
Simple effective way to lock components onto shafts.
Passivated 416 Stainless Steel Simple two part screw together system locks parts securely to shaft. Asymetric thread geometry produces a large radial clamping force when the nut is tightened Precision, dynamically balanced and suitable for high speed applications. Diameters A and B concentric within 0.013 T.I.R. Tightening the nut causes slotted sleeve to contract, gripping the shaft and clamping the component to the sleeve.
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Couplings | |
Couplings - Bellows - Set Screw - Aluminium (Relevance 1/10)
Zero Backlash - High Torsional Stiffness - Identical Clockwise and Anticlockwise Characteristics
Phosphor Bronze Bellows Aluminium Hubs
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Couplings - Double Disk (Relevance 1/10)
Zero Backlash - High Torsional Stiffness.
Hub and Spacer: Aluminium Alloy. Pin and Disc: Stainless Steel. Max Axial Play: +/-0.5mm. 0.7 to 12.5 Nm. 3000 to 19000 rpm.
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Couplings - Double Disk - High Torque (Relevance 1/10)
Zero Backlash - Clamp Locking - Medium torsional stiffness.
High torsional stiffness and high response. Zero backlash. Hub: Aluminium (A2017) Spacer: Aluminium (A2011). Pin: Stainless Steel (SUS301) Disk: Stainless Steel (SUS303). Maximum Temperature: +100°C. 2.8 to 22 Nm. 2400 to 4800 rpm. Identical clockwise & anti-clockwise rotational characteristics.
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Couplings - Helical - Standard (Relevance 1/10)
0.1 to 16.2 Nm.
Zero backlash. Max. Ang Misalignment 5 Degrees. Max Parallel Offset 0.25mm.
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Couplings - Jaw Type - With Polyurethane Spider (Relevance 1/10)
Miniature aluminium curved jaw flexible couplings. 2 to 160 Nm.
Discs (either red as standard with blue or white optional) are available to purchase separately. Flexible couplings transmit torque and rotational angle while absorbing misalignment. When the misalignment exceeds allowable values, vibration may result or the life of the coupling may become shortened. Zero backlash in low torque application, made capable by having the hubs pressed in a spacer. Can be used as a flexible coupling in a high torque application.
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Couplings - Rigid (Relevance 1/10)
0.35 to 5.1 Nm.
Quality Class Precision: Bore Tolerance +0.013 / - 0.000 concentric within 0.0127mm T.I.R. Quality Class Commercial: Bore Tolerance +0.051 / -0.000.
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Couplings - Slit Type (Relevance 1/10)
Aluminium - Stainless Steel - Flexible - Zero Backlash. 0.1 to 35 Nm. 2400 to 48000 rpm.
High Torsional Stiffness. Zero Backlash.
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Fasteners | |
Pins - Dowel - Standard - Hardened Steel (Relevance 1/10)
Precision Dowel Pins - Various Materials.
Note! Type 2 pins may be supplied in lieu of type 1 pins.
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Pins - Dowel - Standard - Stainless Steel (Relevance 1/10)
Precision Dowel Pins - Various Corrosion Resistant Grades.
Note! Type 2 pins may be supplied in lieu of type 1 pins.
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Gearboxes | |
Gearboxes - Right Angle - 30.5 x 30.5 x 18.7mm (Relevance 1/10)
Bevel Gears - 1:1 Ratio. B332 Series. Miniature gearbox.
1:1 Ratio Only / 4mm Shafts. Min Torque 0.5 Ncm. Backlash Approx 2 Degrees. Approx Max Temperature 80 Deg C. Suitable for manual and short term drive application.
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Gears and Gearing | |
Gears - Spur - 72 Pitch - Differential End (Relevance 1/10)
To suit the precision diffs listed on this site. 2024 aluminium and 303 stainless steel.
Metallic.
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Guide Rails - Tracks and Bearings | |
Dual Vee - Guide Wheels (Relevance 1/10)
Vee grooved track roller guide wheels with Abec 5 precision bearings.
Match with correct Track Size.
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Housings with Integral Bearing | |
Housings - Bearing - Blocks - Frelon Lined (Relevance 1/10)
Self aligning. Open or closed. Precision or standard. For rotating and linear motion.
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Indexing | |
Mechanisms - Geneva (Relevance 1/10)
Geneva device provide precision mechanical intermittent motion.
303 Stainless Steel. Driver may travel in either direction and is reversible. Precision product.
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Keys and Keysteel | |
Keys - Keysteel Lengths - Rectangular (Relevance 1/10)
Manufactured slightly oversize to prevent machine backlash. Zinc plating may be silver or gold in colour.
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Keys - Keysteel Lengths - Round (Relevance 1/10)
Manufactured slightly oversize to prevent machine backlash.
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Keys - Keysteel Lengths - Square (Relevance 1/10)
Manufactured slightly oversize to prevent machine backlash. Zinc plating may be silver or gold in colour.
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Linear Drive Systems - Ballscrew | |
Screws - Ball - Economy - Rolled - Nut Only (Relevance 1/10)
Match with screw. Accuracy T7 50µm/300mm.
Steel 16 MnCr5 or 100Cr6. Size, length of screw and end bearing configurations will affect the resulting loads and speeds. Backlash 0.01 Percent of lead. Accuracy T7 50µm/300mm. Blank sleeve supplied in nut to retain balls. Do not remove without simultaneous assembly to screw.
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Linear Motion Bearings | |
Bearings - Linear - Ball (Relevance 1/10)
Adjustable and fixed types - open for running on a supported rail and closed for fixed shafts.
Use with hardened precision ground shafting. Shaft tolerance: h6 (Normal Fit), j6 (Close Fit). Housing Tolerance: H7 (Clearance Fit), J7 (Interference Fit). Max Temp: 100 Deg C Intermittent, 80 Deg C continuous.
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Linear Slides | |
Slides - Linear - Non Recirculating Ball - Standard (Relevance 1/10)
The BSP precision Linear Slide series is a lightweight and compact linear motion rolling guide made of stainless steel formed precisely to be U-shaped table or track rail.
Slides: Stainless Steel End Stop / Retainer: Synthetic Resin. Maximum Speed: 0.5 m/sec (30m/min). Temperature: +100°C (Constant), +120°C (Maximum). Does not incorporate a mechanical stopper. Sensitive to external contaminants.
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Materials | |
Sheet - Aluminium (Relevance 1/10)
Non precision inexpensive aluminium sheet for hobby applications.
Sheet for applications not requiring absolute precision. Thickness tolerances +/- 0.1mm Lengths and widths will be at least that specified but may be more.
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Plain Bearings | |
Bushes - Bronze - Hobby (Relevance 1/10)
A small selection of popular sizes. Solid precision LG2 bronze bushes.
See main listings for sizes not shown here. ID Tolerance : -0.0127 / +0.040 --- OD Tolerance : +0.060 / +0.102. LENGTH Tolerance : -0.254 / +0.254. Composition (Approx.) : Copper 85%, Tin 5%, Zinc 5%, Lead 5%. Hardness : 70-90 BHN.
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Bushes - Bronze - Sintered - Flanged (Relevance 1/10)
Oil impregnated flanged sintered bronze bushes.
Precision items show an allowable Load Speed Rating in Newtons times RPM.
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Bushes - Bronze - Sintered - Unflanged (Relevance 1/10)
Oil impregnated sintered bronze bushes.
Precision items show an allowable Load Speed Rating in Newtons times RPM.
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Bushes - Bronze - Solid (Relevance 1/10)
Solid precision LG2 bronze bushes.
ID Tolerance : -0.0127 / +0.040. OD Tolerance : +0.060 / +0.102. LENGTH Tolerance : -0.254 / +0.254. Composition (Approx.) : Copper 85%, Tin 5%, Zinc 5%, Lead 5%. Hardness : 70-90 BHN.
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Shaft and Shafting | |
Shafting - Ground - Hobby (Relevance 1/10)
Silversteel shafting for hobbies. Not suitable for precision bearings.
Suitable for use with plastic gears, bushes, couplings etc Not recommended for use with precision steel or stainless steel bearings Some sizes have special features such as serrations or small barbs (noted in description). Unground ends Ideal for axles in robotic applications and educational projects
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Storage | |
Enclosures - Aluminium - 100 Series (Relevance 1/10)
Great little boxes ready for you to adapt to your mechanical or electrical projects.
Internal guide slots for mounting PCB assemblies vertically. Ideal for housing sensitive electrical, mechanical, pneumatic or hydraulic devices Provides effective shielding of EMI and RFI. Designed to IP65 of IEC529 and NEMA 4 (dust and hoseproof). The lid incorporates a recessed neoprene gasket.
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Universal Joints | |
Universal Joints - Plastic with Brass Inserts - Ondrives (Relevance 1/10)
Cross Piece and Inserts: Brass CZ121 Chromate and passivate finish. Body - Black Acetal Max Speed: 1000 Rpm. Temp. Range: -20 Deg C to +60 Deg C. Backlash Free up to 1000,000,000 Turns.
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Washers | |
Washers - Flat - Brass - Commercial (Relevance 1/10)
Flat washers.
Please note! Tolerances for commercial grade washers are much larger than for precision washers. In most cases the actual washer size will be larger than the nominal ID and smaller than the nominal OD.
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Washers - Flat - Commercial - All Types (Relevance 1/10)
Includes all materials listed in other commercial washer categories.
Please note! Tolerances for commercial grade washers are much larger than for precision washers. In most cases the actual washer size will be larger than the nominal ID and smaller than the nominal OD.
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Washers - Flat - High Tensile (Relevance 1/10)
ASTM F436 1985. Please note! Tolerances for commercial grade washers are much larger than for precision washers.
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Washers - Flat - Mild Steel (Relevance 1/10)
Flat washers.
Please note! Tolerances for commercial grade washers are much larger than for precision washers. In most cases the actual washer size will be larger than the nominal ID and smaller than the nominal OD.
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Washers - Flat - Nylon (Relevance 1/10)
Flat washers.
Please note! Tolerances for commercial grade washers are much larger than for precision washers. In most cases the actual washer size will be larger than the nominal ID and smaller than the nominal OD.
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Washers - Flat - Stainless Steel - Commercial (Relevance 1/10)
Flat washers.
Dimensions are nominal. Please note! Tolerances for commercial grade washers are much larger than for precision washers.
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Washers - Flat - Titanium - CP Grade 1 (Relevance 1/10)
Flat washers. CP Grade 1 Titanium.
CP Grade 1. Commercially pure for general industrial corrosion applications. UNS R50250. Please note! Tolerances for commercial grade washers are much larger than for precision washers.
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