4pcs Countersink Drill Bit with Quick Change Hex #6 #8 #10 #12 Screw Size
$ 6.99
DescriptionThis item is a set of 4pcs countersink drill bits with hex shank,which are made of hard durable HSS. Special designed steel counter sleeve countersinks or counter bores pilot hole. Adjustable counter sleeve depth with standard hex which is quick-changing.Features- Color: mainly black. - Material: HSS Drill 4241. - Shank: 1/4 hex shank. - Simultaneously countersink and counter bore screw pilot holes. - Four piece set includes bits for drilling pilot holes for screw sizes #6, #8, #10, and #12. - Special designed steel counter sleeve countersinks or counter bores pilot hole. - Adjustable counter sleeve depth with Allen wrench. - Standard hex is quick change compatible. - 6# 2.38mm (0.0937 inch) - 8# 2.78mm (0.1094 inch) - 10# 3.175mm (0.125 inch) - 12# 3.56mm (0.14 inch)
