Product Details

5389108110
M 8-1.25 x 110 Chromoly 4340, Ultra High Strength, Zinc Nickel 12 Point Flange Bolts

• SAE AS9104/1
• 190,000 PSI Tensile Strength
• HRC 40-43
• Salt Spray Tested per ASTM B-117 to a Minimum of 200 Hours No Red Rust
• MTP Brand
• The driver of a 12-point screw uses two overlapped hexagon shapes, creating 12-points and a flanged underside. These are also referred to as ferry cap screws or 12 point?flange?screws. Advantages : Higher torque, Lack of recess to trap fluid or debris, Tight space, Weight saving.

similar to ARP 671-1015