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.
Ground Flute Jobbers
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Heavy duty drills Excellent heat resistance Point angle: 135 Diameter tolerance: h8 Shank tolerance: f11 BS 328 DIN 338BSet contains (one each): 1/16″, 3/32″, 1/8″, 5/32″, 3/16″, 7/32″, 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 13/32″, 7/16″, 15/32″ and 1/2″






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