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8T-4121: M10 ID Steel Flat Washer

8T-4121: M10 ID Steel Flat Washer

Cat®Flat Washer (Clutch,Brake,Transmission)

Cat

Material

Alloy Zinc,HARDENED STEEL,Low Alloy Steel

Washer Type

Flat

Fits Bolt Sizes (in)

3/8

Material Description

Hardened Steel

Coating

Zinc Flake-Black

Inner Diameter (in)

0.433

Outer Diameter (in)

0.827

Thickness (in)

0.098

Hardened

Yes

Inside Diameter (in)

0.433

Outside Diameter (in)

0.827

Finish Notes

Caterpillar is changing from Zinc Plating to a Zinc Flake finish for many washers. The new coating improves corrosion protection to 720 hours. Until stock of the current finish is depleted, you may receive either finish due to the exhaust process.

Finish

Zinc Flake

8T-4223: M12 ID Steel Flat Washer

8T-4223: M12 ID Steel Flat Washer

Cat®Flat Washer (Clutch,Brake,Transmission)

Cat

Material

Alloy Zinc,HARDENED STEEL,Low Alloy Steel

Washer Type

Flat

Fits Bolt Sizes (in)

1/2

Material Description

Hardened Steel

Coating

Zinc Flake-Black

Inner Diameter (in)

0.531

Outer Diameter (in)

1.004

Thickness (in)

0.118

Hardened

Yes

Inside Diameter (in)

0.531

Outside Diameter (in)

1.004

Finish Notes

Caterpillar is changing from Zinc Plating to a Zinc Flake finish for many washers. The new coating improves corrosion protection to 720 hours. Until stock of the current finish is depleted, you may receive either finish due to the exhaust process.

Finish

Zinc Flake

2J-3506: 3/4''-10 Hex Nut

2J-3506: 3/4''-10 Hex Nut

Discover durable steel hex nut for reliable performance with Cat. Perfect for heavy-duty applications, ensuring strength and quality.

Cat

Thickness (in)

0.665

Height (in)

0.66

Nut Type

Hex

Drive (in)

1.125

Thread Size (in - TPI) (in)

3/4-10

Material

Steel,Carbon Steel,Alloy Zinc

Material Description

20+% stronger than SAE J995 Grade 8

Coating

Zinc Phosphate + Oil

Hand of Thread

RH

Class or Grade

Cat/SAE J995 Grade 8+ (170 ksi)

Nut Width - 3 (in)

1 1/8

Hole Thread Pitch

10

5M-2894: 3/8" ID Steel Flat Washer

5M-2894: 3/8" ID Steel Flat Washer

Cat®Flat Washer (Clutch,Brake,Transmission)

Cat

Material

Alloy Zinc,HARDENED STEEL,Low Alloy Steel

Washer Type

Flat

Fits Bolt Sizes (in)

3/8

Material Description

Hardened Steel

Coating

Zinc Phosphate + Oil

Inner Diameter (in)

0.402

Outer Diameter (in)

0.728

Thickness (in)

0.098

Inside Diameter (ID) - 1 (in)

0.39

Outside Diameter (OD) - 2 (in)

0.72

Hardened

Yes

Inside Diameter (in)

0.402

Thickness - 3 (in)

0.09

Outside Diameter (in)

0.728

Finish

Phosphate and Oil Coated

2J-3507: 1''-8 Hex Nut

2J-3507: 1''-8 Hex Nut

Track Nut

Cat

Thickness (in)

0.887

Height (in)

0.89

Nut Type

Hex

Drive (in)

1.5

Thread Size (in - TPI) (in)

1/1-8

Material

Alloy Zinc,Carbon Steel,Steel

Material Description

20+% stronger than SAE J995 Grade 8

Coating

Zinc Phosphate + Oil

Hand of Thread

RH

Class or Grade

Cat/SAE J995 Grade 8+ (170 ksi)

Nut Width - 3 (in)

1 1/2

Hole Thread Pitch

8

5P-8245: M12 ID Steel Flat Washer

5P-8245: M12 ID Steel Flat Washer

Cat® Flat Washer, ID X OD X T: 13.5 X 25.5 X 3 mm

Cat

Washer Type

Flat

Material

Alloy Zinc,Hardened Steel,HARDENED STEEL,Low Alloy Steel

Coating

Zinc Phosphate + Oil

Material Description

Hardened Steel

Fits Bolt Sizes (in)

1/2

Inner Diameter (in)

0.531

Inside Diameter (in)

0.531

Outside Diameter (in)

1.004

Outer Diameter (in)

1.004

Thickness (in)

0.118

Inside Diameter (ID) - 1 (in)

0.53

Outside Diameter (OD) - 2 (in)

1.00

Hardened

Yes

Thickness - 3 (in)

0.12

Finish

Phosphate and Oil Coated

5P-8248: 3/4" ID Steel Flat Washer

5P-8248: 3/4" ID Steel Flat Washer

Cat® A Hard Washer designed for 0.75-inch fastener prevents the fastener from sinking into the material and distributes the load more evenly.

Cat

Material

Alloy Zinc,HARDENED STEEL,Low Alloy Steel

Washer Type

Flat

Fits Bolt Sizes (in)

3/4

Material Description

Hardened Steel

Coating

Zinc Phosphate + Oil

Inner Diameter (in)

0.787

Outer Diameter (in)

1.437

Thickness (in)

0.138

Inside Diameter (ID) - 1 (in)

0.79

Outside Diameter (OD) - 2 (in)

1.44

Hardened

Yes

Inside Diameter (in)

0.787

Thickness - 3 (in)

0.14

Outside Diameter (in)

1.437

Finish

Phosphate and Oil Coated

5J-4773: Bolt

5J-4773: Bolt

Inch

Cat

Thread Size (in - TPI) (in)

3/4-10

Total Bolt Length - 3 (in)

2 1/2

Material

Carbon Steel

Bolt Type

Cutting Edge Bolts

Grip Length - 2 (in)

1.19

Head Height - 4 (in)

0.63

Head Width - 5 (in)

1.20

Thread

Coarse Thread UNC

8T-4224: M8 ID Steel Flat Washer

8T-4224: M8 ID Steel Flat Washer

Cat® Hard Washer is a rigid flat disc used to evenly distribute load and prevent surface damage in fastening

Cat

Material

Alloy Zinc,HARDENED STEEL,Low Alloy Steel

Washer Type

Flat

Fits Bolt Sizes (in)

5/16

Material Description

Hardened Steel

Coating

Zinc Flake-Black

Inner Diameter (in)

0.346

Outer Diameter (in)

0.63

Thickness (in)

0.079

Hardened

Yes

Inside Diameter (in)

0.346

Outside Diameter (in)

0.63

Finish Notes

Caterpillar is changing from Zinc Plating to a Zinc Flake finish for many washers. The new coating improves corrosion protection to 720 hours. Until stock of the current finish is depleted, you may receive either finish due to the exhaust process.

Finish

Zinc Flake

8T-4778: M16 x 2mm Cone Lock Nut

8T-4778: M16 x 2mm Cone Lock Nut

Track Nut

Cat

Thickness (in)

0.598

Nut Type

Hex

Material

Alloy Zinc,Carbon Steel,Other Mixed: Metal-Nonmetal,STEEL

Material Description

 ISO 898-2 Class 10

Coating

Zinc

Hand of Thread

RH

Class or Grade

ISO 898-2 Class 10

Hardened

Yes

Thread

Coarse Thread UNC

Hole Thread Pitch

2.00

Drive (in)

0.945

9M-1974: M8 ID Steel Flat Washer

9M-1974: M8 ID Steel Flat Washer

Cat® Flat Washer, ID X OD X T: 8.8 X 16 X 2 mm

Cat

Washer Type

Flat

Material

Alloy Zinc,Hardened Steel,HARDENED STEEL,Low Alloy Steel

Coating

Zinc Phosphate + Oil

Material Description

Hardened Steel

Fits Bolt Sizes (in)

5/16

Inner Diameter (in)

0.346

Inside Diameter (in)

0.346

Outside Diameter (in)

0.63

Outer Diameter (in)

0.63

Thickness (in)

0.079

Inside Diameter (ID) - 1 (in)

0.34

Outside Diameter (OD) - 2 (in)

0.62

Hardened

Yes

Thickness - 3 (in)

0.08

Finish

Phosphate and Oil Coated

8T-4136: M10-1.5 x 25mm Hex Head Bolt

8T-4136: M10-1.5 x 25mm Hex Head Bolt

Cat® Hex Head Bolt

Cat

Bolt Length (in)

0.984

Bolt Type

Hex Head

Coating

Zinc Flake-Black

Grip Length (in)

0.177

Material

Alloy Zinc,Carbon Steel,Low Alloy Steel,Nylon, 6, 6/12, 6/6 Plastic,Steel

Material Description

ISO 898-1 Class 10.9. Head Marking - 10.9 (1040 MPa Ultimate Tensile Strength)

Thread Size (in - TPI) (in)

M10-1.5

Hand of Thread

RH

Bolt Size (in)

0.3937

Class or Grade

ISO 898-1 Class 10.9

Hole Thread Pitch

1.50

7X-7729: M10 ID Steel Flat Washer

7X-7729: M10 ID Steel Flat Washer

Cat® A Hard Washer designed for M10 fastener prevents the fastener from sinking into the material and distributes the load more evenly.

Cat

Material

Alloy Zinc,HARDENED STEEL,Low Alloy Steel

Washer Type

Flat

Fits Bolt Sizes (in)

3/8

Material Description

Hardened Steel

Coating

Zinc Flake-Black

Inner Diameter (in)

0.433

Outer Diameter (in)

0.984

Thickness (in)

0.118

Hardened

Yes

Inside Diameter (in)

0.433

Outside Diameter (in)

0.984

Finish Notes

Caterpillar is changing from Zinc Plating to a Zinc Flake finish for many washers. The new coating improves corrosion protection to 720 hours. Until stock of the current finish is depleted, you may receive either finish due to the exhaust process.

Finish

Zinc Flake

5P-8250: 1" ID Steel Flat Washer

5P-8250: 1" ID Steel Flat Washer

Cat® Jacket Water Heater Hard Washer is to securely fasten and distribute pressure for effective sealing in jacket water heaters

Cat

Material

Alloy Zinc,HARDENED STEEL,Low Alloy Steel

Washer Type

Flat

Fits Bolt Sizes (in)

1

Material Description

Hardened Steel

Coating

Zinc Phosphate + Oil

Inner Diameter (in)

1.102

Outer Diameter (in)

1.929

Thickness (in)

0.197

Inside Diameter (ID) - 1 (in)

1.09

Outside Diameter (OD) - 2 (in)

1.94

Hardened

Yes

Inside Diameter (in)

1.102

Thickness - 3 (in)

0.20

Outside Diameter (in)

1.929

Finish

Phosphate and Oil Coated

9W-3361: M20 X 1.5 X 21 Track Nut

9W-3361: M20 X 1.5 X 21 Track Nut

Cat® Track Nut for undercarriage ensures optimal performance and longevity of the equipment

Cat

Thickness (in)

0.827

Nut Type

Square

Hand of Thread

RH

Material

Alloy Zinc,Carbon Steel

Coating

Zinc Phosphate + Oil

Class or Grade

ISO 898-2 Class 12

Drive (in)

1.181

4K-0367: 5/8''-11 Hex Nut

4K-0367: 5/8''-11 Hex Nut

Cat® 0.625" Steel Hexagonal Full Nut

Cat

Thickness (in)

0.559

Height (in)

0.56

Nut Type

Hex

Drive (in)

0.937

Thread Size (in - TPI) (in)

5/8-11

Material

Steel,Carbon Steel,Alloy Zinc

Material Description

20+% stronger than SAE J995 Grade 8

Coating

Zinc Phosphate + Oil

Hand of Thread

RH

Class or Grade

Cat/SAE J995 Grade 8+ (170 ksi)

Nut Width - 3 (in)

15/16

Hole Thread Pitch

11

Viewing 1 - 16 of 1200

KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced

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