To find the parts that fit.To find the parts that fit.
Part number or name
Sign in
BackHomeHardware, Seals, & ConsumablesHardwareFastenersBolts & Screws6V-3940: M8-1.25 x 25mm Hex Head Bolt
BackHome
Hardware, Seals, & ConsumablesHardwareFastenersBolts & Screws6V-3940: M8-1.25 x 25mm Hex Head Bolt
6V-3940: M8-1.25 x 25mm Hex Head Bolt
Product Images
6V-3940: M8-1.25 x 25mm Hex Head Bolt
Cat® M8x1.25 Thread 25mm Long Hex Head Bolt
Brand: Cat
Check Price
Check Price
Login to view your customer price
Parts diagram for 6V-3940
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 6V-3940
Description: Hex head bolts, such as 6V-3940, offer the most robust driving feature.
Cat fastener parts are designed for specific applications based on size, strength, clamp load, and past performance. This is information other manufacturers do not have. They are selected to last until rebuild or the life of the machine. While it may seem as though non-Cat hardware and fasteners are suitable for your machine, no other company knows your equipment like we do.
Attributes: • Zinc coated steel hex head bolt • Thread Size: M8x1.25 • Drive: External Hex • Drive Size: 13 mm • Bolt Length: 25 mm • Grip Length: 3.75 mm • Cat fasteners are manufactured to precise specifications and are built for durability, reliability, productivity • Strength & Quality – Fasteners meet or exceed ISO, ASTM, ASME & SAE requirements. • Cat bolts, nuts, and washers are designed to work together as a system for maximum clamping force.
Applications: For use as needed. Consult your owner's manual or contact your local Cat Dealer for more information.
View More
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
This part:627-7259: FASTENER BIN KIT; M8 METRIC-COARSE
Check Price
Description
Metric-Coarse Fastener Bin Kit, M8, 7 Assorted Lengths, 9 Part Numbers, 225 Pieces, Phosphate and Oil Coating
Related parts
178-2211: Fastener Kit - Metric Coarse
Metric-Coarse Fastener Kit, 5 Sizes, 9 Assorted Lengths, 32 Part Numbers, 630 Pieces, Phosphate and Oil Coating
Check Price
198-4765: M8 ID Steel Flat Washer
Cat® 8mm Thick Flat Hard Washer
Check Price
3E-4352: M8 ID Steel Flat Washer
Cat® Flat Washer, ID X OD X T: 8.8 X 20.5 X 2.5 mm
Check Price
9M-1974: M8 ID Steel Flat Washer
Cat® Flat Washer, ID X OD X T: 8.8 X 16 X 2 mm
Check Price
3T-0852: M8 x 1.25mm Hex Lock Nut
Lock Nut
Check Price
5P-7970: M8 x 1.25mm Hex Nut
Cat® M8 Steel Plain Hexagonal Nut used for effective fastening
Check Price
6V-9189: M8 x 1.25mm Cone Lock Nut
Metric
Check Price
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
Chat with an expert
Will it fit or looking for a repair?Add your equipment to see if this part fits or if there are repair options available.
DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 6V-3940
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 6V-3940
Description: Hex head bolts, such as 6V-3940, offer the most robust driving feature.
Cat fastener parts are designed for specific applications based on size, strength, clamp load, and past performance. This is information other manufacturers do not have. They are selected to last until rebuild or the life of the machine. While it may seem as though non-Cat hardware and fasteners are suitable for your machine, no other company knows your equipment like we do.
Attributes: • Zinc coated steel hex head bolt • Thread Size: M8x1.25 • Drive: External Hex • Drive Size: 13 mm • Bolt Length: 25 mm • Grip Length: 3.75 mm • Cat fasteners are manufactured to precise specifications and are built for durability, reliability, productivity • Strength & Quality – Fasteners meet or exceed ISO, ASTM, ASME & SAE requirements. • Cat bolts, nuts, and washers are designed to work together as a system for maximum clamping force.
Applications: For use as needed. Consult your owner's manual or contact your local Cat Dealer for more information.
View More
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
Need More Help? Contact Us
Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.
Need More Help? Contact Us
Find a DealerEmail
Warranty Information
Warranty Information
Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
Need More Help? Contact Us
Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.