As a leading trapezoidal lead screw manufacturer in China,our lead screw diameters range from 2mm to 120mm,with options for left-hand,right-hand,and twin lead trapezoidal lead screws.We offer a wide range of trapezoidal thread lead screw models,as well as various leadscrew and nut materials,At ALM,you can always find the right trapezoidal thread screw solution.
Trapezoidal screw thread angle is 30° and manufactured in metric size.The size of the trapezoidal lead screw is specified by the shaft diameter of the screw and the pitch of the screw thread.
| Diamter | 2mm~120mm |
Length | According to your needs |
Shaft end machining | Processing according to your requirements |
Nut shape and dimension | According to your needs |
Thread Direction | Right and left hand thread |
| Available screw material | ASTM1045,SUS303,SUS304,SS316,SS316L |
Available nut material | Brass,Tin bronze,Phosphor bronze,Aluminum bronze,POM,PEEK,nylon,POK,Stainless steel, 1045,Zinc alloy,Brass+Plastic,Aluminum alloy+Plastic,Brass+Steel,Self lubricating(No oil type) |
Available surface coating | Zinc-plated,nickel plated,hard chromium plated,fluorine coated,tungsten disulfide,black chorme plated,molybdenum disulfide. |
| Quality standard | ISO9001:2015,CE certificate,RoHS and reach compliance |
| Clearance | 7e,higher precision is available upon request |
The following shows ALM commonly used trapezoidal lead screw models;other models can be manufactured according to customer drawings.
| Diameter(mm) | Lead（mm） |
| 2 | 0.5 |
| 3 | 0.5、1、3 |
| 3.5 | 0.3、0.5、0.61、0.8、1、2、1.22、4 |
| 4 | 0.5、0.75、1、2、4 |
| 4.5 | 0.61、0.8、1 |
| 5 | 0.5、1、1.25、1.75、2、3、4、5、10、15 |
| 6 | 0.8、1 、1.5、1.6、2 、3、3.2、4、5 、6 、9、 10、12 |
| 6.5 | 3 |
| 7 | 3 |
| 8 | 1、1.5、 2 、3、 4、6、 8、 10、 12、 14、 15、 16、 20、30 |
| 9 | 1、1.5、2、3、4、4.5、5、6、10、12、17.5 |
| 10 | 1、1.5、2、 3、4、5、 6、 8、9、10、 12、14、15、16、20、25、35 |
| 12 | 2、2.5、3、4、5、6、8、9、10、12、15、16、18、21、24 |
| 14 | 2、3、4、6、8、10、12、16、18、28、30 |
| 16 | 2、3、4、5、8、9、10、16、21、25、35 |
| 18 | 2、4、8、16、18、24、25、40、60 |
| 20 | 2、4、8、10、12、16、17.5、18、20、40、45、80 |
| 22 | 3、4、5、6、8、10、16、18、20、24、50 |
| 24 | 3、4、5、10、40、55 |
| 25 | 5、10、12、20、25、60 |
| 26 | 3、5、8、10、12、16、20、24、50、60、75 |
| 28 | 3、5、8、10 |
| 30 | 3、6、10、12、28、32、50、70 |
| 32 | 3、5、6、12、20、75 |
| 33 | 15、18 |
| 34 | 16 |
| 36 | 6、12、36、200 |
| 38 | 5 |
| 40 | 7、14、30、40 |
| 43 | 24 |
| 44 | 7、12、14 |
| 45 | 8、20 |
| 50 | 8、12 |
| 53 | 30 |
| 55 | 9、14 |
| 60 | 9、14 |
| 70 | 10、16 |
| 80 | 10、16 |
| 90 | 12、18 |
| 100 | 12、16、20 |
| 120 | 14、16、22 |
The following pictures show the common ALM trapezoidal lead screw nut structure.Other lead nut structures can be manufactured according to customer's drawings.
COM series
CHT series
CNN series
WNM series
COT series
CXT series
COU series
HNM series
G
H
DCHT2
DCHT4
DCYT3
ECHT4
DCOT4
E
K
F
ALM provides lead screw shaft end machining custom services,the following is the common shaft end machining drawing,other lead screw shaft end machining according to customer requirements.
Milling Circlip
Processing Thread
Milling Keyway
Milling Slotted Drives
Milling Hex Socket
Milling Flat
Clean and smooth,excellent surface finsh.
Cost-effective and helps customers save more costs.
Most are self-locking and do not require a braking system.
Quiet,low maintenance,high precision and long service life.
Large load carrying capability and better for vertical applications.
ALM trapezoidal lead screw has a wide range of applications.The following pictures show the common aplications of the trapezoidal lead screws.
Robot industry
Medical industry
Laboratory equipments
Packing machine
Auto industry
3D printer
