Top Adjustable Counterbore Tool

Drill America DEWCBR Series Qualtech High-Speed Steel Counterbore, 1/2\ Shank Diameter, 3/16\ Pilot, 5-1/8\ Length, 5/8\ Size (Pack of 1)

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.
Round shanks allow use with a wide variety of toolholding systems.
Counterboring is the enlargement of a portion of a hole that has previously been formed.
The counterbor is a two-piece construction, having an integral shank and counterbore-cutter, and a pilot that is interchangeable, which provides flexibility in the use of the tool.

VERSATILITY: Bosch hex shank countersink bits feature adjustable depths and provide precise, clean pilot holes in wood, plastic and composite materials.
3 in 1: Drill, Countersink and Counterbore in one step.
UNIVERSAL FIT: The Bosch SP515 countersink set fits all Bosch and competitive brands drill/drivers.
USE WITH: For use with Allen wrench (included in set).
the hex shanks fit 3/8 in. and 1/2 in. corded and cordless drills.
ACCESSORIES: Replaceable bits offered (sold separately).

Mill cutters are made of hard high speed steel, usually used to be assembled on milling machine..
It includes 5 sizes in one counterbore set(m3, m4, m5, m6, m8).Please refer to the size chart for detailed data..
High toughness, abrasion resistance, high-speed cutting for the high hardness..
Reduces times of changing tools, improves machine actuator movement efficiency and save mold making time..
Suitable for milling of copper, aluminum, steel, cast iron, etc.An essential hardware tool for industrial..

3in1 Countersink Drill Bit Set – Enable you to Drill, Countersink and Counterbore in one step, ideal woodworking tools for setting screws flush with....
Meet All Your Needs–8 pcs Countersink drill bits assortment in size 5/64”, 3/32”, 7/64”, 1/8” (x2), 9/64” (x2), 5/32” for perfect....
Easy To Use–3 sharp edged 82-degree chamfer design Counter sink bits built with 1/4" Hex Shanks with groove for quick size changes without bit....
Drilling Depth Adjustable–Extra Pilot bits included.
Working length of the pilot drill bit is adjustable for precise depth control.
Compatible with More Materials – Pilot bits are made of high quality M2 steel, countersink bits make of high carbon steel, able to drill in hard....

Mill cutters are made of hard high speed steel, High toughness, abrasion resistance, high-speed cutting for the high..
hardness.rust-proof, and can be used for a long time.usually used to be assembled on milling machine..
It includes 5 sizes in one counterbore set(m3, m4, m5, m6, m8). Size：Boot x Blade Diameter x Shank Diameter x Full Length: M3=3.2 x 5.9 x 6 x 45mm, M4=4.2 x 7.4 x 6 x 48mm ,M5=5.2 x 8.9 x 6 x 51mm, M6=6.2 x 10.4 x 8 x 58mm, M8=8.2 x 13.4 x 12 x 67mm..
The cutting hole and the bottom hole of the tool have high alignment accuracy, reduce the time for changing tools, improve production efficiency and save mold making time..
It can be processed directly or finely processed to the heat treatment mold. Suitable for grinding copper, aluminum, steel, cast iron, etc., usually used for assembling on a milling machine..

... duty compact pocket hole jig can be held by one hand, designed for portable or desktop installation, very suitable for DIY household projects or professional and general commercial use. DIY craftsmen use this fixture kit to build their own woodworking projects.
Simple and easy to use: Use a jig to drill an inclined counterbore in a joint. Then, screw the self-tapping screw (without pilot hole) into another part, and easily and quickly drill the inclined hole to hide the screw in the wooden furniture to form a precise woodworking hole to create or repair the wood joint.
15 drill angle, 2-way tilt, to ensure accurate screw connection, and then embed the screw to prevent the screw from hiding. Allows you to easily hide screws/fasteners. The 10mm drill bit adapter can be easily replaced according to different sizes of wood types, positions and angles. Sharp drills with excellent performance, work smoothly and efficiently without burrs.
Complete pocket hole fixture system-fixture kit includes::1* pocket hole jig with clamp1* Step Drill Bit (replaceable)1* screwdriver (replaceable)1*steel stop collar1* square drive bit2* drivepipe1* Hex wrench 1* 6 in square drive bit20 coarse square drive screws20 fine square drive screws.

Drill, countersink and counterbore in one step.
Four cutter countersink and tapered drill bit provide superior speed and ideal finish.

Drill, countersink and counterbore in one step.
Four-cutter countersink and tapered drill bit provide superior speed and ideal finish.
Tapered drill bit can be replaced for extended life.