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| Description | A one-piece hex washer head bolt with a serrated bearing surface,made of medium carbon steel |
A one-piece hex washer head bolt with a serrated bearing surface,made of corrosion-resistant stainless. |
| Applications /Advantages | Designed for use in applications where loosening forces,such as vibration,are present.After being installed,the serrations grip to the bearing surface so that significantly greater torque is needed to loosen the fastener than to tighten it.Can eliminate the need for a lockwasher or locknut in certain applications |
For use in applications where corrosion resistance is a greater priority than locking strength.These parts are not hardened so it is important to use only with mating parts of like materials. |
| Material | Steel | Stainless |
| Class 8.8 carbon steel chemical composition:Carbon-0.15- 0.55%;Phosphorous-0.35%max;Sulphur-0.35%max |
Class A2-70 Stainless | |
| Tempering Temperature | 425°CMinimum | |
| Tensile Strength | Class 8.8:800 N/mm²min | 700N/mm² |
| Surface Hardness | HR30N 54.0 max. | |
| Core Hardness | Class 8.8:Rockwell C22-32 | |
| Proof Stress | Class 8.8:640 N/mm²min. | |
| Plating | See Appendix-A for plating information | Stainless screws are usually supplied withouta supplemental finish. |
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Main Product:
Bolts and nuts,
Machine Screws,
Self-tapping screws ,
Threaded Rods and Studs,
Lock Washers,
Anchors
