Extension Taps(11 Products)
GRAINGER

Thread Size Overall Length 75% Thread Drill Size Thread Limit Number Of Flutes Shank Dia. Thread Standard Shank Length Price
M6 x 1 6" 5 mm D5 2 1/4" Metric Coarse 5" £89.03
M16 x 2 6" 14 mm D7 3 15/32" Metric Coarse 4 3/16" £172.02
#10-24 6" #25 H3 2 3/16" Coarse 5 7/64" £70.89
1/4"-18 6" 7/16" Not Rated 4 9/16" NPS, NPSF, NPSI, NPT 4 15/16" £128.27
1/4"-18 6" 7/16" Not Rated 5 9/16" NPS, NPSF, NPSI, NPT 4 15/16" £138.41
1/8"-27 4" Q Not Rated 4 7/16" NPS, NPSF, NPSI, NPT 3 1/4" £115.47
1/8"-27 6" Q Not Rated 4 7/16" NPS, NPSF, NPSI, NPT 5 1/4" £103.31
1/8"-27 6" Q Not Rated 5 7/16" NPS, NPSF, NPSI, NPT 5 1/4" £118.58
3/4"-10 6" 16.5 mm H3 3 37/64" Coarse 4" £262.56
3/8"-18 6" 9/16" Not Rated 4 11/16" NPT, NPTF 4 15/16" £155.46
3/8"-18 6" 9/16" Not Rated 5 11/16" NPT, NPTF 4 15/16" £111.08