Gold Screw Countersink Large 1/4" gold socket head screw - the drill bit will not slip. 3/8" or 1/2" diameter counterbore. Combination countersink and/or counterbore for standard wood plugs. Standard hex shank fits all power bit quick change chucks. Alloy steel and thru hardened for long life - can be resharpened. Drill bits are adjustable for different length screws. 82° countersink angle. Part No. Drill Bit Size Hard Wood Soft Wood Counterbore Size Sug. List Price 43005 5/64" #4   3/8" $6.99 43006 3/32"   #6 3/8" $6.99 43007 7/64" #6 #8 3/8" $6.99 43008 1/8" #8 #10 3/8" $6.99 43009 9/64" #10 #12 1/2" $6.99 43019 9/64"     3/8" $7.99 43310 5/32"     3/8" $7.99 43010 5/32"     1/2" $7.99 43311 11/64"     3/8" $7.99 43011 11/64"     1/2" $7.99 43312 3/16"     3/8" $7.99 43012 3/16"     1/2" $7.99 Gold Screw Countersink Set Part No. 40030 Sug. List Price $26.99 5/64" bit w/ 3/8" counterbore. 3/32" bit w/ 3/8" counterbore. 7/64" bit w/ 3/8" counterbore. 1/8" bit w/ 3/8" counterbore. 9/64" bit w/ 1/2" counterbore. Quick Change Chuck and 3pc Countersink Set Part No. 43400 Sug. List Price $26.99 Industrial Quick Change Chuck. 7/64" bit w/ 3/8" counterbore. 1/8" bit w/ 3/8" counterbore. 9/64" bit w/ 1/2" counterbore. Tool Steel Countersink Part No. 48240 Sug. List Price $10.99 Countershink or chamfer pre-drilled holes. 82°countersink angle. Use on metal or wood.

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