7-Piece High Speed Steel Countersink Drill Bit with One L-wrench Silver 13.00 x 3.00 x 11.00cm

OverviewKASTWAVE 7pcs Woodworking Countersink Drill Bits Set With Hex Key, #3 #4 #5 #6 #7 #8 #10mm

Specification:
Dimension:
3mm(Dia) x 60mm(L)
4mm (Dia)x 75mm(L)
5mm(Dia) x 85mm(L)
6mm (Dia)x 93mm(L)
7mm(Dia) x 10mm(L)
8mm (Dia)x 11mm(L)
10mm(Dia) x 12mm(L)

Material:
*Three-Pointed Woodworking Countersink Drill Bits：high-speed steel 4241
*Woodworking Chamfer: high-speed steel 45

Surface treatment: Natural Color
Handle features: Round Handle

Package Included:
7 x Woodworking Countersink Drill Bits
1 x Hex L-wrench

★Why to Use Woodworking Countersink Drill Bits?
♦To drill the screw holes and keep on the same axis, after screw in screw，nut below the board!
♦Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor, machine screw for wood screw.

◆How to Use Woodworking Countersink Drill Bit?
▶Step 1: Attach the drill bit into hand drill driver, make sure it is fastened;
▶Step 2: When Woodworking or Building Molding, enlarge and bevel the rim of a drilled hole so that a screw, nail, or bolt can be inserted flush with the surface you are working on.
▶Step 3: Example: Hinges - the bits also wipe away any burr left from any application,thereby improving the finish and removing hazardous edges.
▲ Remember to drill countersink hole on the wood VERTICALLY.

▲ Special Notice：
●The best use of this product is to use a bench drill, because the hand electric drill is not fixed in the operation process, the drill bit (especially the 3mm and 4mm) is prone to bend and break!!!
●Try to keep the drill vertical while drilling, so as not to be uneven.
●Pay attention to the condition of wear and tear of the cutting edge and timely repair the countersink drill bits.