FTG Parabolic Flute Adjustable Wood Countersink Set with Tapered HSS Drill Bit, Nickel coated 1/4" Hex Shank, and #45 Carbon Steel 4 Flute cutter, sizes #6 (9/64") #8 (11/64") #10 (3/16") with 1 Adjustable Depth Stop Collar 3/8" and 1 Hex Wrench (1/8" Allen Key). The geometry of the FTG twist drill is altered to improve chip extraction which improves heat dissipation within the cut.
FTG 6810PRBH features the best tapered drill bits HSS M2 Grade 6542, confirmed in Certificate of Analysis issued in June 18th 2021 by ANAB Accredited Lab, and provided at Product guides and documents section below, by far the most popular High Speed Steel, with superior properties, including high toughness, wear resistance, and good cutting retention.
Logo brand FTG USA and size is laser printed on each nickel coated hex shank, (all cutters have same size of 3/8") making it easier to differentiate this quality brand from others. Super sharp, very durable, easy to use, and built to perform well in both hard and soft woods Drill, countersink and counter-bore in 1 step.
Countersink #6 Bit Diameter 9/64" (3,6mm) , counter-bore size and plug size 3/8", using Adjustable depth stop collar 3/8"
Countersink #8 Bit Diameter 11/64" (4,4mm) , counter-bore size and plug size 3/8 ", using Adjustable depth stop collar 3/8"
Countersink #10 Bit Diameter 3/16" (4.8mm), counter-bore size and plug size 3/8", using Adjustable depth stop collar 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. The counter-bore feature attaches flats with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth providing a clean finish for more polished final products. 1 Piece Hex Key (1/8" Allen Wrench) and 1 Piece 3/8" Adjustable Depth Stop Collar are included.
Industry grade 6542 High Speed Steel HSS M2 drill bit set, harder than 4241 HSS and 4341 HSS used in other similar countersink drill bits.
Replacement Tapered Drill Bits are available on FTG USA brand store: www.amazon.com/FTGUSA
This product is designed in New Jersey by Fair Trade Group USA and Professionally manufactured in China at FTG USA specifications. Packaging set combination/design protected by US Copyright Office.