SP LH Spiral Fluted Taps for Left Hand Threads

SizeClassCodeChamferLℓnℓsDsKℓkNo. of
(mm)(mm)(mm)(mm)(mm)(mm)(mm)flutes Type Stock

M18 × 1.5 △

P2 SPQ018O--L 2.5P 100 33 - 51 14 11 14 4 2

M20 × 2.5 ○

P3 SPR020R--L 2.5P 105 33 - 50 15 12 15 4 3

M20 × 1.5 △

P3 SPR020O--L 2.5P 105 33 - 50 15 12 15 4 3

M22 × 2.5 △

P3 SPR022R--L 2.5P 115 33 - 55 17 13 16 4 3

M22 × 1.5 △

P3 SPR022O--L 2.5P 115 33 - 55 17 13 16 4 3

M24 × 3 ○

P3 SPR024S--L 2.5P 120 39 - 55 19 15 18 4 3

M24 × 1.5 △

P3 SPR024O--L 2.5P 120 39 - 55 19 15 18 4 3

M27 × 3 △

P3 SPR027S--L 2.5P 130 39 - 60 20 15 18 4 3

M30 × 3.5 △

P4 SPS030T--L 2.5P 135 46 - 62 23 17 20 4 3

M30 × 2 △

P3 SPR030Q--L 2.5P 135 46 - 62 23 17 20 4 3

M30 × 1.5 △

P3 SPR030O--L 2.5P 135 46 - 62 23 17 20 4 3

For Unified Threads

Size ClassCode ChamferLℓnℓsDsKℓkNo. of
(mm)(mm)(mm)(mm)(mm)(mm)(mm)flutes Type Stock
1/4-20UNCP2SPQU04N--L2.5P6215263364.5731
1/4-28UNFP2SPQU04K--L2.5P6215263364.5731
5/16-18UNCP2SPQU05O--L2.5P7019-366.25832
5/16-24UNFP2SPQU05M--L2.5P7019-366.25832
3/8-16UNCP2SPQU06P--L2.5P7523-3875.5832
3/8-24UNFP2SPQU06M--L2.5P7523-3875.5832
7/16-14UNCP3SPRU07Q--L2.5P8226-428.56.5932
7/16-20UNFP2SPQU07N--L2.5P8226-428.56.5932
1/2-13UNCP3SPRU08R--L2.5P8826-4510.581132
1/2-20UNFP2SPQU08N--L2.5P8826-4510.581132

For Whitworth Threads

Size ClassCode ChamferLℓnℓsDsKℓkNo. of
(mm)(mm)(mm)(mm)(mm)(mm)(mm)flutes Type Stock
1/4W20P2SPQW04N--L2.5P6215263364.5731
5/16W18P2SPQW05O--L2.5P7019-366.25832
3/8W16P2SPQW06P--L2.5P7523-3875.5832
7/16W14P3SPRW07Q--L2.5P8226-428.56.5932
1/2W12P3SPRW08S--L2.5P8826-4510.581132
5/8W11P3SPRW10U--L2.5P9526-4812.5101332
3/4W10P3SPRW12V--L2.5P10533-5015121543