Drill America 115 Piece Cobalt Drill Bit Set in Metal Case Sizes 1/16 - 1/2 A - Z #1 - #60

Drill America cobalt drill bits are manufactured to National Aerospace standard 907. These drill bits display high red hardness permitting speeds up to 30% greater and are especially effective in drilling tough high tensile strength materials like stainless steel inconel and titanium. The 135 split point is self-centering and reduces thrust. 115 Piece Drill Set includes sizes 1/16 - 1/4 x 64ths A - Z and #1 - #60 in a metal case. Drills are all jobber (standard) length.