1 Piece Hex Key (1/8 Allen Wrench) and 1 Piece 3/8 Adjustable Depth Stop Collar are included. Quality built counter bore attaches to flats on shank with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth Packaging set combination/design protected by US Copyright Office Plug Cutters For Woodworking FTG USA 3-Piece Countersink Drill Bit Set - #6 (9/64) Tapered HSS Bits For Woodworking With Hex Wrench Woodworking Countersink Set Multipurpose Wood Drill Bit Set With Counter Bore Chamfer Angle 82-degree, Smooth Countersinking In Hard And Soft Wood, Tapered Holes For Screws Super sharp, very durable, easy to use, and built to perform well in both hard and soft woods-Countersink #6 Bit Diameter 9/64 (3., 6mm), counterbore size and plug size 3/8 -Countersink #8 Bit Diameter 11/64 (4., 4mm), counterbore size and plug size 3/8 inch - Countersink #10 Bit Diameter 3/16 (4., 8mm), counterbore size and plug size 3/8. Top quality material #45 Carbon Steel adjustable four-cutter counter bore, chamfer angle 82-degree, attachment that cuts fast and clears chips quickly for fast, smooth countersinking applications. THIRD-PARTY TESTED by US Accredited Lab - HSS M2 Grade 6542 countersink drill bit for wood with tapered drill bits. FTG USA Extra Length Adjustable Wood Countersink Set with Tapered HSS Drill Bit, Straight Shank, sizes #6 (9/64) #8 (11/64) #10 (3/16) with 1 Adjustable Depth Stop Collar 3/8 and 1 Hex Wrench 1/8 FTG 6810XL features the best tapered drill bits 3rd Party Tested HSS M2 (Grade 6542), by far the most popular High-Speed Steel, with superior properties, including high toughness, wear resistance, and good cutting retention. Top Quality material components Highly durable: Tapered drill bit 3rd Party Tested HSS M2 (Grade 6542), by far the best High Speed Steel, for its high toughness, wear resistance, and good cutting edge retention; 4 cutter #45 Carbon Steel; featuring 3 Piece Adjustable Wood Countersink, #6 (9/64 inch), #8 (11/64 inch), #10 (3/16 inch), 1 Piece 3/8 Adjustable Depth Stop Collar, and 1 Hex Wrench (1/8 Allen Key); Drill, countersink and counter bore in 1 step Quick-change 1/4 hex shank, with adjustable depth-stop collar 3/8 and 1 hex wrench (1/8 Allen Key). Super sharp, very durable, easy to use, built to perform well in hard and soft woods, drill, countersink, and counter-bore in 1 step Tapered drill pointed tip with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws; tapered drill bits can be replaced with a replacement bit of the same type and sizes (sold separately) for extended life; Logo brand laser printed on each countersink shank offering confidence in product authenticity Woodworking Pilot Hole Countersink FTG USA Adjustable Wood Countersink Drill Bit Set #6#8#10#12 With Tapered Drill Bits For Woodworking Adjustable Countersink Set
