Overall lengthChamf full threr + eadThread length Thread+Neck lengthShank lengthSh dank ia. S size of quareLength of square
SP Spiral Fluted TapsLtℓnℓsDsKℓk
SizeClassCodeChamferL (mm)ℓt (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
M36×1.5ISO2SM036OANEB2.5P170-20-87282225l 45
M36×1ISO2SM036MANEB2.5P170-20-8728222545
M39×4ISO2SG039UANEB2.5P200-40-10232242746
M39×2ISO2SM039QANEB2.5P170-20-8732242745
M39×1.5ISO2SM039OANEB2.5P170-20-8732242745
M39×1ISO2SM039MANEB2.5P170-20-8732242745
M42×4.5ISO2SG042VANEB2.5P200-40-10232242746
M42×2ISO2SM042QANEB2.5P170-20-8732242745
M42×1.5ISO2SM042OANEB2.5P170-20-8732242745
M42×1ISO2SM042MANEB2.5P170-20-8732242745
M45×4.5ISO2SG045VANEB2.5P220-45-11236293246
M45×3ISO2SM045SANEB2.5P200-40-10236293245
M45×2ISO2SM045QANEB2.5P180-25-9236293245
M45×1.5ISO2SM045OANEB2.5P180-25-9236293245
M45×1ISO2SM045MANEB2.5P180-25-9236293245
M48×5ISO2SG048WANEB2.5P250-45-12836293246
M48×3ISO2SM048SANEB2.5P225-40-11536293245
M48×2ISO2SM048QANEB2.5P190-25-9736293245
M48×1.5ISO2SM048OANEB2.5P190-25-9736293245
M48×1ISO2SM048MANEB2.5P190-25-9736293245
SizeClassCodeChamferL (mm)ℓt (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
For Unified Threads
No.4-40UNC2BSDUN4HXNEB2.5P565918343.52.7622
No.4-48UNF2BSDUN4FXNEB2.5P565918343.52.7622
No.5-40UNC2BSDUN5HXNEB2.5P5651118343.52.7622
No.5-44UNF2BSDUN5GXNEB2.5P5651118343.52.7622
No.6-32UNC2BSDUN6JXNEB2.5P56711193243632
No.6-40UNF2BSDUN6HXNEB2.5P56711193243632
No.8-32UNC2BSDUN8JXNEB2.5P6371321384.53.4632
No.8-36UNF2BSDUN8IXNEB2.5P6371321384.53.4632
No.10-24UNC2BSDUNAMXNEB2.5P70914243964.9832
No.10-32UNF2BSDUNAJXNEB2.5P70914243964.9832
No.12-24UNC2BSDUNCMXNEB2.5P80915284564.9832
No.12-28UNF2BSDUNCKXNEB2.5P80915284564.9832
1/4-20UNC2BSDU04NXNEB2.5P801115304275.5832
1/4-28UNF2BSDU04KXNEB2.5P801115304275.5832
5/16-18UNC2BSDU05OXNEB2.5P90-12354786.2934
5/16-24UNF2BSMU05MXNEB2.5P90-12-4664.9835
3/8-16UNC2BSDU06PXNEB2.5P100-133954971034
3/8-24UNF2BSMU06MXNEB2.5P100-13-5175.5835
7/16-14UNC2BSGU07QXNEB2.5P100-13-5186.2936
7/16-20UNF2BSMU07NXNEB2.5P100-13-5186.2935
1/2-13UNC2BSGU08RXNEB2.5P110-15-56971036
1/2-20UNF2BSMU08NXNEB2.5P100-15-51971035
9/16-12UNC2BSGU09SXNEB2.5P110-18-561191236
9/16-18UNF2BSMU09OXNEB2.5P100-14-511191235
5/8-11UNC2BSGU10UXNEB2.5P110-18-561291236
5/8-18UNF2BSMU10OXNEB2.5P100-14-511291235
3/4-10UNC2BSGU12VXNEB2.5P125-20-6414111446