PO LH Spiral Pointed Taps for Left Hand Threads

SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
M24×1.5P4POS024O--L5P12039-5519151833
M27×3P4POS027S--L5P13039-6020151843
M27×1.5P4POS027O--L5P13039-6020151843
M30×3.5P5POT030T--L5P13546-6223172043
M30×1.5P4POS030O--L5P13546-6223172043
For Unified Threadi s
SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
1/4-20UNCP2POQU04N--L5P6215263364.5731
1/4-28UNFP2POQU04K--L5P6215263364.5731
5/16-18UNCP3PORU05O--L5P7019-366.25832
5/16-24UNFP2POQU05M--L5P7019-366.25832
3/8-16UNCP3PORU06P--L5P7523-3875.5832
3/8-24UNFP2POQU06M--L5P7523-3875.5832
7/16-14UNCP3PORU07Q--L5P8226-428.56.5932
7/16-20UNFP3PORU07N--L5P8226-428.56.5932
1/2-13UNCP3PORU08R--L5P8826-4510.581132
1/2-20UNFP3PORU08N--L5P8826-4510.581132
For Whitworth Threads
SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
1/4W20P3PORW04N--L5P6215263364.5731
5/16W18P3PORW05O--L5P7019-366.25832
3/8W16P3PORW06P--L5P7523-3875.5832
1/2W12P3PORW08S--L5P8826-4510.581132
5/8W11P3PORW10U--L5P9526-4812.5101332
3/4W10P4POSW12V--L5P10533-5015121533