Specification of Kennedy.SET OF 15 HSS-COBALT S/S DRILLS 1/16"-1/2" x 1/32"
Straight Shank - Inch Sizes Heavy duty drills made of 5% cobalt material with excellent heat resistance. Point angle: 135°. Helix angle: normal. Web thickness: strengthened. Relief angle: normal. Tolerance of diameter: h8. Tolerance of shank: f11. Manufactured to BS 328, DIN 338B.
