7 Pcs M2 Countersink Drill Bit Set, 3in1 Wood Pilot Countersink Drill Bits for #4#6#8#10#12 Screws Holes, with Adjustable Depth Stop,Quick Release Hex Shank, 2-Allen Wrench

Set of 7 Countersink Drill bit Set, 3in1Woodworking Countersink Counterbore Drill BitsSpecifications:For Drilling #4 #6 #8 #10 #12 Screws Holes With Adjustable Depth Stop, 1/4” Quick Release Hex Shank,Sizes: 5/64”, 3/32”, 7/64”, 1/8”, 9/64”Include：2-Allen WrenchFunctions：To have the head of the screw below thesurface then conceal it with matching wood plugsTo have the head of the screw fit flushwith the surfaceCompatibilities:The high quality M2 pilot drill bits areprecisely ground. It is detachable. You can move it up and down in thecountersink/counterbore sleeve to adjust drill depth to meet multi screwlengths.The cutting angle of the 3 countersinkchamfer cutters is 82 degrees, perfect for popular screw heads.The counterbore is 3/8” in diameter, 1/2”in full depth. They will meet your needs from flush countersinking to a full1/2" of counterbore for dowel buttons or plugs.Reference Chart：Size 5/64 (2mm) for #4 ScrewSize 3/32 (2.5mm) for #6 ScrewSize 7/64 (2.8mm) for #8 ScrewSize 1/8 (3.2mm) for #10 ScrewSize 1/8 (3.2mm) for #10 ScrewSize 9/64 (3.5mm) for #12 ScrewSize 9/64 (3.5mm) for #12 ScrewFor softwood, we recommend you to use adrill one size smaller than the screw calls for.

• 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; when drilling softwood, please use the one size smaller bit