Product Details
Rolled Trapezoidal Lead Screw Thread Specifications
Length: Maximum 6 meters
Both left-hand and right-hand threads can be customized
Accuracy Grade: 7e
GB/T 5796.4-2022 ISO 2903
| Specification | P | n | ac | d |
d max |
d min |
d₂ |
d₂ max(7e) |
d₂ min(7e) |
d₃ |
d₃ max |
d₃ min |
Lead Angle | Transmission Efficiency | Nuts |
| Tr10×2 | 2 | 1 | 0.25 | 10 | 10 | 9.82 | 9 | 8.929 | 8.739 | 7.5 | 7.5 | 7.191 | 4.05° | 45.8 |
45 steel, bronze |
| Tr10×4-P2 | 2 | 2 | 0.25 | 10 | 10 | 9.82 | 9 | 8.929 | 8.739 | 7.5 | 7.5 | 7.191 | 8.05° | 62.3 |
45 steel, bronze POM subject to agreement |
| Tr10×8-P2 | 2 | 4 | 0.25 | 10 | 10 | 9.82 | 9 | 8.929 | 8.739 | 7.5 | 7.5 | 7.191 | 15.80° | 75.5 |
45 steel, bronze POM subject to agreement |
| Tr12×3 | 3 | 1 | 0.25 | 12 | 12 | 11.764 | 10.5 | 10.415 | 10.191 | 8.5 | 8.5 | 8.135 | 5.20° | 51.9 |
45 steel, bronze POM subject to agreement |
| Tr12×6-P3 | 3 | 2 | 0.25 | 12 | 12 | 11.764 | 10.5 | 10.415 | 11.191 | 8.5 | 8.5 | 8.135 | 10.31° | 67.7 |
45 steel, bronze POM subject to agreement |
| Tr12×12-P3 | 3 | 4 | 0.25 | 12 | 12 | 11.764 | 10.5 | 10.415 | 12.191 | 8.5 | 8.5 | 8.135 | 19.99° | 79.0 |
45 steel, bronze POM subject to agreement |
| Tr14×3 | 3 | 1 | 0.25 | 14 | 14 | 13.764 | 12.5 | 12.415 | 12.115 | 10.5 | 10.5 | 10.135 | 4.37° | 47.7 |
45 steel, bronze POM subject to agreement |
| Tr14×6-P3 | 3 | 2 | 0.25 | 14 | 14 | 13.764 | 12.5 | 12.415 | 12.115 | 10.5 | 10.5 | 10.135 | 8.69° | 64.0 |
45 steel, bronze POM subject to agreement |
| Tr14×12-P3 | 3 | 4 | 0.25 | 14 | 14 | 13.764 | 12.5 | 12.415 | 12.115 | 10.5 | 10.5 | 10.135 | 16.99° | 76.7 |
45 steel, bronze POM subject to agreement |
| Tr16×4 | 4 | 1 | 0.25 | 16 | 16 | 15.7 | 14 | 13.905 | 13.64 | 11.5 | 11.5 | 11.074 | 5.20° | 51.9 |
45 steel, bronze POM subject to agreement |
| Tr16×8-P4 | 4 | 2 | 0.25 | 16 | 16 | 15.7 | 14 | 13.905 | 13.64 | 11.5 | 11.5 | 11.074 | 10.31° | 67.7 |
45 steel, bronze POM subject to agreement |
| Tr16×16-P4 | 4 | 4 | 0.25 | 16 | 16 | 15.7 | 14 | 13.905 | 13.64 | 11.5 | 11.5 | 11.074 | 19.99° | 79.0 |
45 steel, bronze POM subject to agreement |
| Tr18×4 | 4 | 1 | 0.25 | 18 | 18 | 17.7 | 16 | 15.905 | 15.64 | 13.5 | 13.5 | 13.074 | 4.55° | 48.7 |
45 steel, bronze POM subject to agreement |
| Tr18×8-P4 | 4 | 2 | 0.25 | 18 | 18 | 17.7 | 16 | 15.905 | 15.64 | 13.5 | 13.5 | 13.074 | 9.04° | 64.9 |
45 steel, bronze POM subject to agreement |
| Tr18×16-P4 | 4 | 4 | 0.25 | 18 | 18 | 17.7 | 16 | 15.905 | 15.64 | 13.5 | 13.5 | 13.074 | 17.66° | 77.3 |
45 steel, bronze POM subject to agreement |
| Tr20×4 | 4 | 1 | 0.25 | 20 | 20 | 19.7 | 18 | 17.905 | 17.64 | 15.5 | 15.5 | 15.074 | 4.05° | 45.8 |
45 steel, bronze POM subject to agreement |
| Tr20×8-P4 | 4 | 2 | 0.25 | 20 | 20 | 19.7 | 18 | 17.905 | 17.64 | 15.5 | 15.5 | 15.074 | 8.05° | 62.3 |
45 steel, bronze POM subject to agreement |
| Tr20×16-P4 | 4 | 4 | 0.25 | 20 | 20 | 19.7 | 18 | 17.905 | 17.64 | 15.5 | 15.5 | 15.074 | 15.80° | 75.5 |
45 steel, bronze POM subject to agreement |
| Tr24×5 | 5 | 1 | 0.25 | 24 | 24 | 23.665 | 21.5 | 21.394 | 21.094 | 18.5 | 18.5 | 18.019 | 4.23° | 46.9 |
45 steel, bronze POM subject to agreement |
| Tr24×10-P5 | 5 | 2 | 0.25 | 24 | 24 | 23.665 | 21.5 | 21.394 | 21.094 | 18.5 | 18.5 | 18.019 | 8.42° | 63.3 |
45 steel, bronze POM subject to agreement |
| Tr24×20-P5 | 5 | 4 | 0.25 | 24 | 24 | 23.665 | 21.5 | 21.394 | 21.094 | 18.5 | 18.5 | 18.019 | 16.49° | 76.2 |
45 steel, bronze POM subject to agreement |
| Tr28×5 | 5 | 1 | 0.25 | 28 | 28 | 27.665 | 25.5 | 25.394 | 25.094 | 22.5 | 22.5 | 22.019 | 3.57° | 42.8 |
45 steel, bronze POM subject to agreement |
| Tr28×10-P5 | 5 | 2 | 0.25 | 28 | 28 | 27.665 | 25.5 | 25.394 | 25.094 | 22.5 | 22.5 | 22.019 | 7.12° | 59.5 |
45 steel, bronze POM subject to agreement |
| Tr28×20-P5 | 5 | 4 | 0.25 | 28 | 28 | 27.665 | 25.5 | 25.394 | 25.094 | 22.5 | 22.5 | 22.019 | 14.02° | 73.5 |
45 steel, bronze POM subject to agreement |
| Tr32×6 | 6 | 1 | 0.5 | 32 | 32 | 31.625 | 29 | 28.882 | 28.547 | 25 | 25 | 24.463 | 3.77° | 44.1 |
45 steel, bronze POM subject to agreement |
| Tr32×12-P6 | 6 | 2 | 0.5 | 32 | 32 | 31.625 | 29 | 28.882 | 28.547 | 25 | 25 | 24.463 | 7.50° | 60.7 |
45 steel, bronze POM subject to agreement |
| Tr32×24-P6 | 6 | 4 | 0.5 | 32 | 32 | 31.625 | 29 | 28.882 | 28.547 | 25 | 25 | 24.463 | 14.76° | 74.4 |
45 steel, bronze POM subject to agreement |
| Tr36×6 | 6 | 1 | 0.5 | 36 | 36 | 35.625 | 33 | 32.882 | 32.547 | 29 | 29 | 28.463 | 3.31° | 40.9 |
45 steel, bronze POM subject to agreement |
| Tr36×12-P6 | 6 | 2 | 0.5 | 36 | 36 | 35.625 | 33 | 32.882 | 32.547 | 29 | 29 | 28.463 | 6.60° | 57.7 |
45 steel, bronze POM subject to agreement |
| Tr36×24-P6 | 6 | 4 | 0.5 | 36 | 36 | 35.625 | 33 | 32.882 | 32.547 | 29 | 29 | 28.463 | 13.03° | 72.2 |
45 steel, bronze POM subject to agreement |
| Tr40×7 | 7 | 1 | 0.5 | 40 | 40 | 39.575 | 36.5 | 36.375 | 36.04 | 32 | 32 | 31.431 | 3.49° | 42.2 |
45 steel, bronze POM subject to agreement |
| Tr40×14-P7 | 7 | 2 | 0.5 | 40 | 40 | 39.575 | 36.5 | 36.375 | 36.04 | 32 | 32 | 31.431 | 6.96° | 59.0 |
45 steel, bronze POM subject to agreement |
| Tr40×28-P7 | 7 | 4 | 0.5 | 40 | 40 | 39.575 | 36.5 | 36.375 | 36.04 | 32 | 32 | 31.431 | 13.72° | 73.2 |
45 steel, bronze POM subject to agreement |




