1/4 -20 tap drill size for sale, brand-new and used.

5/16"-18 Hand Tap, Taper, GH 3, HS NEW OLD STOCK * Thread Size: 5/16" -18

7/16"-20 Hand Tap, BOTTOM, NEW OLD STOCK * Thread Size: 7/16" -14

7/16"-14 Hand Tap, BOTTOM, NEW OLD STOCK * Thread Size: 7/16" -14

7/16"-14 Hand Tap, PLUG, NEW OLD STOCK * Thread Size: 7/16" -14

7/16"-20 Hand Tap, Taper, GH 1, HS NEW OLD STOCK * Thread Size: 7/16" -20

7/16"-14 Hand Tap, Taper, GH 3, HS NEW OLD STOCK * Thread Size: 7/16" -14

1/2"-20 Hand Tap, BOTTOM , GH 3, NEW OLD STOCK * Thread Size: 1/2" - 20

1/2"-13 Hand Tap, BOTTOM , GH 3, NEW OLD STOCK * Thread Size: 1/2" - 13

1/2"-13 Hand Tap, PLUG , NEW OLD STOCK * Thread Size: 1/2" - 13

1/2"-20 Hand Tap, PLUG , GH 3, HS NEW OLD STOCK * Thread Size: 1/2" - 20

1/2"-20 Hand Tap, Taper, GH 1, HS NEW OLD STOCK * Thread Size: 1/2" - 20

Union Butterfield 1585A(UNC) High-Speed Steel Spiral Point Tap, Relieved Style, Black Oxide Finish, Round Shank With Square End, Plug Chamfer, 7/16"-14 Thread Size

Union Butterfield 1578(UNC) High-Speed Steel Spiral Point Tap, Screw Thread Insert, Uncoated (Bright) Finish, Round Shank With Square End, H3 Tolerance, 1/4"-20 Thread Size

FlexArm RNRM20-6 Pneumatic Tapping Unit w/ Table FlexArm RNRM20-6 pneumatic tapping unit with custom 80/20 table frame and 3/4" aluminum plate top. Will tap up to 3/4" thick steel. Table frame is black anodized 80/20 aluminum extrusion.

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NEW Hanson 24640 Machine Screw / Fractional Tap and Hexagon Die Set - 53-Piece