M4 x 40MM MS Button Head Socket Screw Bolt
M4 x 40MM MS Button Head Socket Screw Bolt have a button like head. Depending on the total length of bolt, thread length may vary.
- Standard: Metric
- Material: Alloy steel
- Material Grade: 12.9 Grade
- Surface finished: Black Oxide
It has hexagonal socket in the head (internal-wrenching hexagon drive) which is used to drive the bolts and screws using a Hex Key or Allen Key. To drive these types of bolt, you will need a Allen Key/Hex Key.
Surface Finish: This product has Black oxide (aka blackening) surface finish, which is a coating applied for mild corrosion resistance and to minimize light reflection. Black oxide treated fasteners can rust in the right environments, so it should be stored properly to avoid rusting.
Maintenance Tips: High tensile steels are very strong, but they are prone to rust formation, It can be avoided by keeping the component oiled and stored in proper boxes.
Note: Depending on the total length of screw, thread length may vary.
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Warranty: This product (M4 x 40MM MS Button Head Socket Screw Bolt) comes with warranty against manufacturing defect, refer warranty policy on how to claim warranty.