5pcs Counterbore Drill Bits Set,High-Speed Steel M3-M8 4 Flutes HSS-AL Straight Shank Counterbore End Mills for Copper Aluminum Steel Cast Iron
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..
Drill America - DEWPIL1/4X3/16 DEWCBR Series Qualtech High-Speed Steel Pilot for Counterbore, 3/16\ Shank Diameter, 1-3/4\ Length, 1/4\ 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.
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.
BFTGS Hinge Decoration Solid Brass Kitchen Cabinet Door Butt Hinge, Furniture Folding Hinge
Using high-quality stainless steel material, solid casting, good material determines good quality..
The surface is smooth and delicate, rust-proof and corrosion-resistant, stable installation, smooth rotation, not easy to fade, and safe to not slip off..
The shaft adopts counterbore design, and the screw head is flat and not protruding after installation, which is more beautiful and generous..
DKIBBITH Pcs M2 Countersink Drill Bit Set, 3in1 Wood Pilot Countersink Drill Bits Drilling #4#6#8#10#12 Screws Holes, with Adjustable Depth Stop, Quick Release Hex Shank, 2-Allen Wrench
Easier & Faster – 3 in1 Drill Countersink and Counterbore in one step, with this 7 Pcs M2 Countersink Set you can get perfect counterbored holes for #4 #6 #8 #10 #10 #12 #12 screws without changing bits.
Meet All the Needs – with popular 82 Degrees Countersink and 3/8” Counterbore Bits - You can either have the head of the screw below the surface then conceal it with matching wood plugs, or fit flush with the surface.
Cutting Depth Adjustable – You may need holes for long or short screws.
these counterbore Drill Bits with Adjustable Depth Stop to fit the length of your screws.
just tighten the pilot drill bit with the hex key (included) to the Countersink / Counterbore sleeve.
Fit Most Tools – 1/4" hex shank design compatible with most quick-change chuck machines or power drills.
Includes 7 pieces of Drill/Countersink/Counterbore 3in1 bits in sizes 5/64”, 3/32”, 7/64”, 1/8”, 1/8”, 9/64” 9/64”。.
For Hardwood & Softwood - The HSS M2 Grade countersink drill bit perform well in softwood or hardwood and serve the needs of most woodworkers.