5/16" 1MT Cobalt Taper Shank Drill Bit Shopify Collective The underside of the lid

The underside of the lid has a grid pattern that makes contact with the dividers

Part Number KFD3F1-7/32

Part Number DWTSMR2-26X3

Part Number DWRRB1-5/16HEX

5/16" 1MT Cobalt Taper Shank Drill Bit Shopify Collective The underside of the lidProduct Description Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Taper shank. Brand