Description
- 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 - Allen Wrench: 3/32¡± diameter. High quality HSS 4241 drill bits and NO. 45 steel chamfer drill body for durability.
- ADJUSTABLE: Both the Countersink bits & the collars have hex nuts for easy adjusting tightening & accurate positioning.Made of high speed heat treated Carbon 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 ¨C Bit sizes are carved onto the drill bits for identification.
- 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.
- Usage: Attach to any Power 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 bolt can be inserted flush with the surface you are working on, Example: Hinges - the bits also wipe away any burr left from any application, thereby improving the finish and removing hazardous edges.
- Great for hinge, Stair book case, coffee table, chair, cabinet, closet, wall, desk, bed, kitchen, bedroom, office, studio, dresser, bench. 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.
Specification: Material: HSS Drill 4241 Black chamfer drill body material: steel 45 Dimension: 5# 16mm(W) x 82mm(L) 6# 15mm(W) x 80mm(L) 7# 12mm(W) x 86mm(L) 8# 16mm(W) x 87mm(L) 9# 15mm(W) x 91mm(L) 10# 17mm(W) x 93mm(L) 12# 16mm(W) x 100mm(L) Shank: 2.5mm dia hex shank. The corresponding bit size/Chamfer size 5#: 1/8¡±£¨3.18mm) / 9.5mm 6#: 9/64¡±(3.58mm) / 9.5mm 7#: 5/32¡±(3.97mm£©/ 9.5mm 8#: 11/64¡±£¨4.37mm) / 9.5mm 9#: 3/16¡±(4.76mm) / 9.5mm 10#: 13/64¡±(5.15mm) / 12.5mm 12#: 7/32¡±(5.56mm) / 12.5mm Feature: 7Pcs set includes bits for drilling pilot holes for screw sizes 5#,6#,7# ,8#.9#,10# and 12#. Twist screws on the same axis, and screw nut below the board plane, drill collars can adjust up and down! Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor, machine screw for wood screw. Note: -Size for manual measurement, there may be a 0 to 3 mm error, belongs to the normal phenomenon. -The item is sharp enough,please get away from children. -Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Package Included: 7 x Countersink Drill Bits 1 x Hex Shank