Thread specification

M – Metric Screw Thread

M1.6×0.35, M2x0.4, M2.5×0.45, M3x0.5, M3.5×0.6, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5, M12x1.75, M14x2, M15x1, M16x2, M17x1, M18x1.5, M20x2.5, M22x2.5, M24x3, M25x1.5, M27x3, M30x3.5, M33x2, M35x1.5, M36x4, M39x2, M40x1.5, M42x4.5, M45x1.5, M48x5, M50x1.5, M55x1.5, M56x5.5, M60x1.5, M64x6, M65x1.5, M70x1.5, M72x6, M75x1.5, M80x6, M85x2, M90x6, M95x2, M100x6, M105x2, M110x2, M120x2, M130x2, M140x2, M150x2, M170x3, M180x3, M190x3, M200x3… Read more

UN UNC UNF UNEF – Unified Inch Screw Thread

0-80 UNF, 1-64 UNC, 1-72 UNF, 2-56 UNC, 2-64 UNF, 3-48 UNC, 3-56 UNF, 4-40 UNC, 4-48 UNF, 5-40 UNC, 5-44 UNF, 6-32 UNC, 6-40 UNF, 8-32 UNC, 8-36 UNF, 10-24 UNC, 10-32 UNF, 12-24 UNC, 12-28 UNF, 12-32 UNEF, 1/4-20 UNC, 1/4-28 UNF, 1/4-32 UNEF, 5/16-18 UNC, 5/16-20 UNEF, 5/16-24 UNF, 5/16-28 UN, 5/16-32 UNEF, 3/8-16 UNC, 3/8-20 UN, 3/8-24 UNF, 3/8-28 UN, 3/8-32 UNEF, 7/16-14 UNC, 7/16-16 UN, 7/16-20 UNF, 7/16-28 UNEF, 7/16-32 UNEF, 1/2-13 UNC, 1/2-16 UN, 1/2-20 UNF, 1/2-28 UNEF, 1/2-32 UN, 9/16-12 UNC, 9/16-16 UN, 9/16-18 UNF, 9/16-20 UN, 9/16-24 UNEF, 9/16-28 UN, 9/16-32 UN, 5/8-11 UNC, 5/8-12 UN, 5/8-16 UN, 5/8-18 UNF, 5/8-20 UN, 5/8-24 UNEF, 5/8-28 UN, 5/8-32 UN, 11/16-12 UN, 11/16-16 UN, 11/16-20 UN, 11/16-24 UNEF, 11/16-28 UN, 11/16-32 UN, 3/4-10 UNC, 3/4-12 UN, 3/4-16 UNF, 3/4-20 UNEF, 3/4-28 UN, 3/4-32 UN, 13/16-12 UN, 13/16-16 UN, 13/16-20 UNEF, 13/16-28 UN, 13/16-32 UN, 7/8-9 UNC, 7/8-12 UN, 7/8-14 UNF, 7/8-16 UN, 7/8-20 UNEF, 7/8-28 UN, 7/8-32 UN, 15/16-12 UN, 15/16-16 UN, 15/16-20 UNEF, 15/16-28 UN, 15/16-32 UN, 1-8 UNC, 1-12 UNF, 1-14 UNS, 1-16 UN, 1-20 UNEF, 1-28 UN, 1-32 UN, 1 1/16-8 UN, 1 1/16-12 UN, 1 1/16-16 UN, 1 1/16-18 UNEF, 1 1/16-20 UN, 1 1/16-28 UN, 1 1/8-7 UNC, 1 1/8-8 UN, 1 1/8-12 UNF, 1 1/8-16 UN, 1 1/8-18 UNEF, 1 1/8-20 UN, 1 1/8-28 UN, 1 3/16-8 UN, 1 3/16-12 UN, 1 3/16-16 UN, 1 3/16-18 UNEF, 1 3/16-20 UN, 1 3/16-28 UN, 1 1/4-7 UNC, 1 1/4-8 UN, 1 1/4-12 UNF, 1 1/4-16 UN, 1 1/4-18 UNEF, 1 1/4-20 UN, 1 1/4-28 UN, 1 5/16-8 UN, 1 5/16-12 UN, 1 5/16-16 UN, 1 5/16-18 UNEF, 1 5/16-20 UN, 1 5/16-28 UN, 1 3/8-6 UNC, 1 3/8-8 UN, 1 3/8-12 UNF, 1 3/8-16 UN, 1 3/8-18 UNEF, 1 3/8-20 UN, 1 3/8-28 UN, 1 7/16-6 UN, 1 7/16-8 UN, 1 7/16-12 UN, 1 7/16-16 UN, 1 7/16-18 UNEF, 1 7/16-20 UN, 1 7/16-28 UN, 1 1/2-6 UNC, 1 1/2-8 UN, 1 1/2-12 UNF, 1 1/2-16 UN, 1 1/2-18 UNEF, 1 1/2-20 UN, 1 1/2-28 UN, 1 9/16-6 UN, 1 9/16-8 UN, 1 9/16-12 UN, 1 9/16-16 UN, 1 9/16-18 UNEF, 1 9/16-20 UN, 1 5/8-6 UN, 1 5/8-8 UN, 1 5/8-12 UN, 1 5/8-16 UN, 1 5/8-18 UNEF, 1 5/8-20 UN, 1 11/16-6 UN, 1 11/16-8 UN, 1 11/16-12 UN, 1 11/16-16 UN, 1 11/16-18 UNEF, 1 11/16-20 UN, 1 3/4-5 UN, 1 3/4-6 UN, 1 3/4-8 UN, 1 3/4-12 UN, 1 3/4-16 UN, 1 3/4-20 UN, 1 13/16-6 UN, 1 13/16-8 UN, 1 13/16-12 UN, 1 13/16-16 UN, 1 13/16-20 UN, 1 7/8-6 UN, 1 7/8-8 UN, 1 7/8-12 UN, 1 7/8-16 UN, 1 7/8-20 UN, 1 15/16-6 UN, 1 15/16-8 UN, 1 15/16-12 UN, 1 15/16-16 UN, 1 15/16-20 UN, 2-4.5 UNC, 2-6 UN, 2-8 UN, 2-12 UN, 2-16 UN, 2-20 UN, 2 1/8-6 UN, 2 1/8-8 UN, 2 1/8-12 UN, 2 1/8-16 UN, 2 1/8-20 UN, 2 1/4-4.5 UNC, 2 1/4-6 UN, 2 1/4-8 UN, 2 1/4-12 UN, 2 1/4-16 UN, 2 1/4-20 UN, 2 3/8-6 UN, 2 3/8-8 UN, 2 3/8-12 UN, 2 3/8-16 UN, 2 3/8-20 UN, 2 1/2-4 UNC, 2 1/2-6 UNC, 2 1/2-8 UN, 2 1/2-12 UN, 2 1/2-16 UN, 2 1/2-20 UN, 2 5/8-8 UN, 2 5/8-12 UN, 2 5/8-16 UN, 2 5/8-20 UN, 2 3/4-4 UNC, 2 3/4-6 UN, 2 3/4-8 UN, 2 3/4-12 UN, 2 3/4-16 UN, 2 3/4-20 UN, 2 7/8-6 UN, 2 7/8-8 UN, 2 7/8-12 UN, 2 7/8-16 UN, 2 7/8-20 UN, 3-4 UNC, 3-6 UN, 3-8 UN, 3-12 UN, 3-16 UN, 3-20 UN, 3 1/8-6 UN, 3 1/8-8 UN, 3 1/8-12 UN, 3 1/8-16 UN, 3 1/4-4 UNC, 3 1/4-6 UN, 3 1/4-8 UN, 3 1/4-12 UN, 3 1/4-16 UN, 3 3/8-6 UN, 3 3/8-8 UN, 3 3/8-12 UN, 3 3/8-16 UN, 3 1/2-4 UNC, 3 1/2-6 UN, 3 1/2-8 UN, 3 1/2-12 UN, 3 1/2-16 UN, 3 5/8-6 UN, 3 5/8-8 UN, 3 5/8-12 UN, 3 5/8-16 UN, 3 3/4-4 UNC, 3 3/4-6 UN, 3 3/4-8 UN, 3 3/4-12 UN, 3 3/4-16 UN, 3 7/8-6 UN, 3 7/8-8 UN, 3 7/8-12 UN, 3 7/8-16 UN, 4-4 UNC, 4-6 UN, 4-8 UN, 4-12 UN, 4-16 UN, 4 1/8-6 UN, 4 1/8-8 UN, 4 1/8-12 UN, 4 1/8-16 UN, 4 1/4-4 UN, 4 1/4-6 UN, 4 1/4-8 UN, 4 1/4-12 UN, 4 1/4-16 UN, 4 3/8-6 UN, 4 3/8-8 UN, 4 3/8-12 UN, 4 3/8-16 UN, 4 1/2-4 UN, 4 1/2-6 UN, 4 1/2-8 UN, 4 1/2-12 UN, 4 1/2-16 UN, 4 5/8-6 UN, 4 5/8-8 UN, 4 5/8-12 UN, 4 5/8-16 UN, 4 3/4-4 UN, 4 3/4-6 UN, 4 3/4-8 UN, 4 3/4-12 UN, 4 3/4-16 UN, 4 7/8-6 UN, 4 7/8-8 UN, 4 7/8-12 UN, 4 7/8-16 UN, 5-4 UN, 5-6 UN, 5-8 UN, 5-12 UN, 5-16 UN, 5 1/8-6 UN, 5 1/8-8 UN, 5 1/8-12 UN, 5 1/8-16 UN, 5 1/4-4 UN, 5 1/4-6 UN, 5 1/4-8 UN, 5 1/4-12 UN, 5 1/4-16 UN, 5 3/8-6 UN, 5 3/8-8 UN, 5 3/8-12 UN, 5 3/8-16 UN, 5 1/2-4 UN, 5 1/2-6 UN, 5 1/2-8 UN, 5 1/2-12 UN, 5 1/2-16 UN, 5 5/8-6 UN, 5 5/8-8 UN, 5 5/8-12 UN, 5 5/8-16 UN, 5 3/4-4 UN, 5 3/4-6 UN, 5 3/4-8 UN, 5 3/4-12 UN, 5 3/4-16 UN, 5 7/8-6 UN, 5 7/8-8 UN, 5 7/8-12 UN, 5 7/8-16 UN, 6-4 UN, 6-6 UN, 6-8 UN, 6-12 UN, 6-16 UN… Read more

BSW BSF – Whitworth Thread

B.S.W. 1/4-20, B.S.F. 1/4-26, Whit.S 1/4-32, B.S.W. 5/16-18, B.S.F. 5/16-22, Whit.S 5/16-26, Whit.S 5/16-32, B.S.W. 3/8-16, B.S.F. 3/8-20, Whit.S 3/8-26, Whit.S 3/8-32, B.S.W. 7/16-14, B.S.F. 7/16-18, Whit.S 7/16-26, B.S.W. 1/2-12, B.S.F. 16, Whit.S 1/2-20, Whit.S 1/2-26, B.S.W. 9/16-12, B.S.F. 9/16-16, Whit.S 9/16-20, Whit.S 9/16-26, B.S.W. 5/8-11, B.S.F. 5/8-14, Whit.S 5/8-20, Whit.S 5/8-26, B.S.W. 11/16-11, B.S.F. 11/16-14, Whit.S 11/16-16, Whit.S 11/16-20, Whit.S 11/16-26, B.S.W. 3/4-10, B.S.F. 3/4-12, Whit.S 3/4-16, Whit.S 3/4-20, Whit.S 3/4-26, B.S.F. 13/16-12, Whit.S 13/16-16, Whit.S 13/16-20, Whit.S 13/16-26, B.S.W. 7/8-9, B.S.F. 7/8-11, Whit.S 7/8-20, Whit.S 1 1/16-12, Whit.S 1 1/16-20, B.S.W. 1 1/8-7, B.S.F. 1 1/8-9, Whit.S 1 1/8-12, Whit.S 1 1/8-20, B.S.W. 1 3/16-7, B.S.F. 1 3/16-9, Whit.S 1 3/16-12, Whit.S 1 3/16-20, B.S.W. 1 1/4-7, B.S.F. 1 1/4-9, Whit.S 1 1/4-12, Whit.S 1 1/4-20, Whit.S 1 5/16-12, Whit.S 1 5/16-20, B.S.F. 1 3/8-8, Whit.S 1 3/8-12, Whit.S 1 3/8-20, Whit.S 1 7/16-12, Whit.S 1 7/16-20, B.S.W. 1 1/2-6, B.S.F. 1 1/2-8, Whit.S 1 1/2-12, Whit.S 1 1/2-20, B.S.F. 1 5/8-8, Whit.S 1 5/8-12, Whit.S 1 5/8-16, Whit.S 1 5/8-20, B.S.W. 1 3/4-5, B.S.F. 1 3/4-7, Whit.S 1 3/4-12, Whit.S 1 3/4-16, Whit.S 1 3/4-20, Whit.S 1 7/8-12, Whit.S 1 7/8-16, Whit.S 1 7/8-20, B.S.W. 2-4 1/2, B.S.F. 2-7, Whit.S 2-12, Whit.S 2-16, Whit.S 2-20, Whit.S 2 1/8-8, Whit.S 2 1/8-12, Whit.S 2 1/8-16, B.S.W. 2 1/4-4, B.S.F. 2 1/4-6, Whit.S 2 1/4-8, Whit.S 2 1/4-12, Whit.S 2 1/4-16, Whit.S 2 3/8-8, Whit.S 2 3/8-12, Whit.S 2 3/8-16, B.S.W. 2 1/2-4, B.S.F. 2 1/2-6, Whit.S 2 1/2-8, Whit.S 2 1/2-12, Whit.S 2 1/2-16, Whit.S 2 5/8-8, Whit.S 2 5/8-12, Whit.S 2 5/8-16, B.S.W. 2 3/4-3 1/2, B.S.F. 2 3/4-6, Whit.S 2 3/4-8, Whit.S 2 3/4-12, Whit.S 2 3/4-16, Whit.S 2 7/8-8, Whit.S 2 7/8-12, Whit.S 2 7/8-16, B.S.W. 3-3 1/2, B.S.F. 3-5, Whit.S 3-8, Whit.S 3-12, Whit.S 3-16, Whit.S 3 1/8-8, Whit.S 3 1/8-16, B.S.W. 3 1/4-3 1/4, B.S.F. 3 1/4-4 1/2, Whit.S 3 1/4-8, Whit.S 3 1/4-16, Whit.S 3 3/8-8, Whit.S 3 3/8-16, B.S.W. 3 1/2-3 1/4, B.S.F. 3 1/2-4 1/2, Whit.S 3 1/2-8, Whit.S 3 1/2-16, Whit.S 3 5/8-8, Whit.S 3 5/8-16, B.S.W. 3 3/4-3, B.S.F. 3 3/4-4 1/2, Whit.S 3 3/4-8 16, Whit.S 3 7/8-8, Whit.S 3 7/8-16, B.S.W. 4-3, B.S.F. 4-4 1/2, Whit.S 4-8, Whit.S 4-16, Whit.S 4 1/8-8, Whit.S 4 1/8-16, B.S.F. 4 1/4-4, Whit.S 4 1/4-8, Whit.S 4 1/4-16, Whit.S 4 3/8-4, Whit.S 4 3/8-8, Whit.S 4 3/8-16, B.S.W. 4 1/2-2 7/8, Whit.S 1/2-4, Whit.S 1/2-8, Whit.S 1/2-16, Whit.S 4 5/8-4, Whit.S 4 5/8-8, Whit.S 4 5/8-16, Whit.S 4 3/4-4, Whit.S 4 3/4-8, Whit.S 4 3/4-16, Whit.S 4 7/8-4, Whit.S 4 7/8-8, Whit.S 4 7/8-16, B.S.W. 5-2 3/4, Whit.S 5-4, Whit.S 5-8, Whit.S 5-16, Whit.S 5 1/8-4, Whit.S 5 1/8-8, Whit.S 5 1/8-16, Whit.S 5 1/4-4, Whit.S 5 1/4-8, Whit.S 5 1/4-16, Whit.S 5 3/8-4, Whit.S 5 3/8-8, Whit.S 5 3/8-16, B.S.W. 5 1/2-2 5/8, Whit.S 5 1/2-4, Whit.S 5 1/2-8, Whit.S 5 1/2-16, Whit.S 5 5/8-4, Whit.S 5 5/8-8, Whit.S 5 5/8-16, Whit.S 5 3/4-4, Whit.S 5 3/4-8, Whit.S 5 3/4-16, Whit.S 5 7/8-4, Whit.S 5 7/8-8, Whit.S 5 7/8-16, B.S.W. 6-2 1/2, Whit.S 6-4, Whit.S 6-8, Whit.S 6-16, Whit.S 6 1/4-4, Whit.S 6 1/4-8, Whit.S 6 1/4-16, Whit.S 6 1/2-4, Whit.S 6 1/2-8, Whit.S 6 1/2-16, Whit.S 6 3/4-4, Whit.S 6 3/4-8, Whit.S 6 3/4-16, Whit.S 7-4, Whit.S 7-6, Whit.S 7-8, Whit.S 7-12, Whit.S 7-16… Read more

PT R Rc – Taper Pipe Thread

R 1/16-28, R 1/8-28, R 1/4-19, R 3/8-19, R 1/2-14, R 3/4-14, R 1-11, R 1 1/4-11, R 1 1/2-11, R 2-11, R 2 1/2-11, R 3-11, R 4-11, R 5-11, R 6-11… Read more

NPT – National Pipe Thread

NPT 1/16-27, NPT 1/8-27, NPT 1/4-18, NPT 3/8-18, NPT 1/2-14, NPT 3/4-14, NPT 1-11.5, NPT 1 1/4-11.5, NPT 1 1/2-11.5, NPT 2-11.5, NPT 2 1/2-8, NPT 3-8, NPT 3 1/2-8, NPT 4-8, NPT 5-8, NPT 6-8, NPT 8-8, NPT 10-8, NPT 12-8, NPT 14 O.D.-8, NPT 16 O.D.-8, NPT 18 O.D.-8, NPT 20 O.D.-8, NPT 24 O.D.-8… Read more

G BSPP – Parallel Pipe Thread

G 1/16-28, G 1/8-28, G 1/4-19, G 3/8-19, G 1/2-14, G 5/8-14, G 3/4-14, G 7/8-14, G 1-11, G 1 1/8-11, G 1 1/4-11, G 1 1/2-11, G 1 3/4-11, G 2-11, G 2 1/4-11, G 2 1/2-11, G 2 3/4-11, G 3-11, G 3 1/2-11, G 4-11, G 4 1/2-11, G 5-11, G 5 1/2-11, G 6-11… Read more

PF BSPF – Parallel Pipe Thread

PF 1/8-28, PF 1/4-19, PF 3/8-19, PF 1/2-14, PF 5/8-14, PF 3/4-14, PF 7/8-14, PF 1-11, PF 1 1/8-11, PF 1 1/4-11, PF 1 1/2-11, PF 1 3/4-11, PF 2-11, PF 2 1/4-11, PF 2 1/2-11, PF 2 3/4-11, PF 3-11, PF 3 1/2-11, PF 4-11, PF 4 1/2-11, PF 5-11, PF 5 1/2-11, PF 6-11, PF 7-11, PF 8-11, PF 9-11, PF 10-11, PF 12-11… Read more

S – Miniature Screw Thread

S0.3×0.08, S0.35×0.09, S0.4×0.1, S0.45×0.1, S0.5×0.125, S0.55×0.125, S0.6×0.15, S0.7×0.175, S0.8×0.2, S0.9×0.225, S1x0.25, S1.1×0.25, S1.2×0.25, S1.4×0.3… Read more

CTG – Thick Steel Conduit Thread

CTG 16-14, CTG 22-14, CTG 28-11, CTG 36-11, CTG 42-11, CTG 54-11, CTG 70-11, CTG 82-11, CTG 92-11, CTG 104-11… Read more

Tr – Metric Trapezoidal Thread

Tr 8×1.5, Tr 9×2, Tr 9×1.5, Tr 10×2, Tr 10×1.5, Tr 11×3, Tr 11×2, Tr 12×3, Tr 12×2, Tr 14×3, Tr 14×2, Tr 16×4, Tr 16×2, Tr 18×4, Tr 18×2, Tr 20×4, Tr 20×2, Tr 22×8, Tr 22×5, Tr 22×3, Tr 24×8, Tr 24×5, Tr 24×3, Tr 26×8, Tr 26×5, Tr 26×3, Tr 28×8, Tr 28×5, Tr 28×3, Tr 30×10, Tr 30×6, Tr 30×3, Tr 32×10, Tr 32×6, Tr 32×3, Tr 34×10, Tr 34×6, Tr 34×3, Tr 36×10, Tr 36×6, Tr 36×3, Tr 38×10, Tr 38×7, Tr 38×3, Tr 40×10, Tr 40×7, Tr 40×3, Tr 42×10, Tr 42×7, Tr 42×3, Tr 44×12, Tr 44×7, Tr 44×3, Tr 46×12, Tr 46×8, Tr 46×3, Tr 48×12, Tr 48×8, Tr 48×3, Tr 50×12, Tr 50×8, Tr 50×3, Tr 52×12, Tr 52×8, Tr 52×3, Tr 55×14, Tr 55×9, Tr 55×3, Tr 65×16, Tr 65×10, Tr 65×4, Tr 70×16, Tr 70×10, Tr 70×4, Tr 75×16, Tr 75×10, Tr 75×4, Tr 80×16, Tr 80×10, Tr 80×4, Tr 85×18, Tr 85×12, Tr 85×4, Tr 90×18, Tr 90×12, Tr 90×4, Tr 95×18, Tr 95×12, Tr 95×4, Tr 100×20, Tr 100×12, Tr 100×4, Tr 105×20, Tr 105×12, Tr 105×4, Tr 110×20, Tr 110×12, Tr 110×4, Tr 115×22, Tr 115×14, Tr 115×6, Tr 120×22, Tr 120×14, Tr 120×6, Tr 125×22, Tr 125×14, Tr 125×6, Tr 130×22, Tr 130×14, Tr 130×6, Tr 135×24, Tr 135×14, Tr 135×6, Tr 140×24, Tr 140×14, Tr 140×6, Tr 145×24, Tr 145×14, Tr 145×6, Tr 150×24, Tr 150×16, Tr 150×6, Tr 155×24, Tr 155×16, Tr 155×6, Tr 160×28, Tr 160×16, Tr 160×6, Tr 165×28, Tr 165×16, Tr 165×6, Tr 170×28, Tr 170×16, Tr 170×6, Tr 175×28, Tr 175×16, Tr 175×8, Tr 180×28, Tr 180×18, Tr 180×8, Tr 185×32, Tr 185×18, Tr 185×8, Tr 190×32, Tr 190×18, Tr 190×8, Tr 195×32, Tr 195×18, Tr 195×8, Tr 200×32, Tr 200×18, Tr 200×8, Tr 210×36, Tr 210×20, Tr 210×8, Tr 220×36, Tr 220×20, Tr 220×8, Tr 230×36, Tr 230×20, Tr 230×8, Tr 240×36, Tr 240×22, Tr 240×8, Tr 250×40, Tr 250×22, Tr 250×12, Tr 260×40, Tr 260×22, Tr 260×12, Tr 270×40, Tr 270×24, Tr 270×12, Tr 280×40, Tr 280×24, Tr 280×12, Tr 290×44, Tr 290×24, Tr 290×12, Tr 300×44, Tr 300×24, Tr 300×12… Read more

ACME – ACME Thread

ACME 0.25-16, ACME 0.3125-14, ACME 0.375-12, ACME 0.4375-12, ACME 0.5-10, ACME 0.625-8, ACME 0.75-6, ACME 0.875-6, ACME 1-5, ACME 1.125-5, ACME 1.25-5, ACME 1.375-4, ACME 1.5-4, ACME 1.75-4, ACME 2-4, ACME 2.25-3, ACME 2.5-3, ACME 2.75-3, ACME 3-2, ACME 3.5-2, ACME 4-2, ACME 4.5-2, ACME 5-2 … Read more

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