Green Arrow M35 Cobalt HSS Drill Bit Sets Inches 21Pcs
. Size : 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8"
. Material : 5% Cobalt, M35 High Speed Steel
. Cutting : 135˚ With Split Point, Amber Finish
. For Stainless Steel , Steel
. Standard : DIN388, BS 328, JIS SKH51
. Hard : over 800 N/mm2
. Packed in blue metal box