7-Pcs Countersink Drill Bit Set with Stop Collars & Wrench Perfect for Wood | Quick Change Pre-Drill Counterbore Drill Bits Made for Screw Sizes # 5 6 7 8 9 10 12.

Countersink & Counterbore Wood Drill Bit Kit pre-drills holes and countersinks even hardwood and aluminum thereby reducing the risk of splitting the panel and giving every screw nail or a nice appearance as it appears flush with the furniture s surface and can be covered nicely with wooden plugs. SPECS: 7 Countersink 4-Fluted Bits with 7 Hex adjustable Depth Stop Collars Compatible with Screw Sizes: #5 6 7 8 9 10 12. - Bit sizes: 1/8 9/64 5/32 11/64 3/16 13/64 & 7/32 inch - Hex Wrench: 3/32 inch diameter. DESIGN & QUALITY: No More Splitting Woods The Ultimate 2-in-1 countersink drill bit design Made of Steel so the bits have sharp tips and are able to sustain through heat and pressure without breaking/shattering and damaging the panel or beam you are building - Bit sizes are carved onto the drill bits for identification. NICE APPEARANCE: The drill bits drills pilot holes nicely and accurately with precision time and time again getting a precise cone shaped hole on each burr as a result you will get a nice smooth surface on any type of hard soft wood or aluminum. USES: Attach to any Bench or Hand drill driver - When Woodworking or Building Molding enlarge and bevel the rim of a drilled hole so that a screw nail or can be inserted flush with the surface you are working on Example: Hinges - the bits also wipe any burr left from any application thereby improving the finish and removing hazardous edges. But why pre-drill with 1 bit & countersink with another 1 when you can have it in 1 easy ? OUR SOLUTION: The 3-in-1 Counter-sinking Drill Bits lets you Pre-drill & cone-shape the hole where the screw heads will countersunk & sit comfortably below the surface of the surroundings. Kit also includes stop collars for controlling drill bit depth to a precise setting. It s recommended to use drill collars with a lubricant to prevent burning of the material surface. ADJUSTABLE: Both the Countersink bits & the collars have hex nuts for easy adjusting tightening & accurate positioning. Kit comes with the Correct Hex Wrench for tightening the nuts. Countersink may also be used to remove burr left from a drilling/tapping operation thereby improving the finish of the project & removing any hazardous sharp edges. (Countersink unlike counterbore makes a cone shaped hole while bore produces a Flat-bottom rounded hole.) Bit lengths: #5 3-1/32 #6 3-5/32 #7 3-2/8 #8 3-11/32 #9 3-5/16 #10 3-9/16 #12 3-9/16 Color: silver material: steel Easy identification: Bit Sizes are carved on the bits for clear identification which bit for the correct screw. Package: 7* wood screws to take out the countersink With spanner