ASNOMY 10Pcs Wood Countersink Drill Bit Set, 5Pcs Countersink Drill Bit with 5Pcs Extra Pilot Drill bit, Tapered Drill Bits with 5/16" Round Shank, Counter Sinker Drill Bit Set for Woodworking

Feature: 1)Quick change:The 5/16" Round shank can be used with power drills and quick-change chucks. 2)Durable: High-grade carbide tipped, fully sharpened edge, quick drilling, easy to use, in longer life. 3)Suitable for woodworking-Compatible with drilling machines with chucks, used to drill holes on wooden boards or wooden floors. Specification: Color: Orange Material: #45 Carbon Steel shank+ alloy bit Tapered Drill Size: 2.8mm (7/64"), 3.0mm (15/128"), 3.2mm (1/8"), 3.5mm (9/64" ), 4.0mm (5/32" ) Countersink Dia.:10mm(3/8”) ,10mm(3/8”), 10mm(3/8”), 10mm(3/8”), 10mm(3/8”) Min. Drill Length:5mm(3/16” ),5mm(3/16”),5mm(3/16”), 5mm(3/16”), 5mm(3/16”) Max. Drill Length: 35mm(1-3/8”), 35mm(1-3/8”),38mm(1-1/2”), 40mm(1- 9/16”), 43mm(1-11/16”) Package included: 5x Countersink drill bit 5x Pilot drill bit 2x Hex wrench