A Heavy Duty Jobber Drill Bits 12 pack cotter-pins Hex bolts have hexagonal heads

Hex bolts have hexagonal heads and machine threads for use with a nut or in a tapped hole

#10-32 x 2" Phillips Flat Head Machine Screw Black Oxide 500 pack

Part # MS16562-148

3/8-16 Serrated Flange Locknut 18-8 Stainless Steel 100 pack

Part # MS15795-809

A Heavy Duty Jobber Drill Bits 12 pack cotter-pins Hex bolts have hexagonal headsNeed a large quantity? Request bulk pricing here. A Heavy Duty Jobber Drills, High Speed Steel Pack of 12 Web construction is heavier than general purpose construction making it particularly suitable for cotter pin hole drilling and cross hole drilling in heads of bolts. The heavy construction affords efficient drilling in stainless steel and other hard materials. The split point reduces the thrust requirements and minimizes walking. Made in the USA.