29 Piece HSS Killer Force Bit Cooler Drill Bit Set, 1/16" - 1/2" with 3/8" Shank - High Performance & Durable Cutting Tool | Drill America Welding PPE Size: 3/4"-12

Size: 3/4"-12

Flute Length: 6-1/8"

One side has a 2 to 3 thread chamfer for threading

Size: 1-3/8"-12

Drill America - #00-90 UNS HSS Bottoming Tap

29 Piece HSS Killer Force Bit Cooler Drill Bit Set, 1/16" - 1/2" with 3/8" Shank - High Performance & Durable Cutting Tool | Drill America Welding PPE Size: 3/4"-12KFD Killer Force Drill Bits are manufactured from M2 premium grade high speed steel, black and gold surface treated for use in a wide range of materials such aluminum, iron and stainless steel. They have a 135 split point tip for fast penetration and accurate drilling and a round shank for use in a wide range of tool holding systems. KFD Killer Force Drill Bits are jobber (standard) length. Product Specifications: Size: Set Material: High Speed Steel