5/8-11 x 4 Socket Set Screw Cup Point Alloy

Asymmetrical thread pattern resists material slippage during pull out and vibration

Proof load strength will meet a minimum of 100

#31 Heavy Duty Jobber Drill Bit

1 1/8-12 x 3 Socket Cap Screw Alloy

3/8-16 x 5 Hex Tap Bolt Silicon Bronze SDS Max X-Cutter Hammer Drill Bits 5/8-11 x 4 Socket Set3 8 16 x 5 Hex Tap Bolt Silicon Bronze. Silicon Bronze Hex Tap Bolts are similar to low carbon steel in hardness but offer high resistance to corrosive environments such as sea water, gases, sewage and atmospheric conditions. Commonly used in naval construction and power plant applications.