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DCMB Nut

Long Nut
This model is capable of easily converting linear motion to rotary motion and vise versa with 70% efficiency. Since the lead is large, it is optimal for building a fast feed mechanism with low speed rotation.
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For Shaft O.D. (mm) Clear
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Lead (mm) Clear
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*Please contact THK if you need more than available quantity or out of stock items
Attributes Part Number Unit Price Quantity Days to Ship Include Shaft Item Total
For Shaft O.D. (mm): 9
Lead (mm): 24
DCMB8T
Days to Ship: 2 - 3 weeks*
For Shaft O.D. (mm): 13.3
Lead (mm): 36
DCMB12T
Days to Ship: 2 - 3 weeks*
For Shaft O.D. (mm): 15.8
Lead (mm): 44.4
DCMB15T
Days to Ship: 2 - 3 weeks*
For Shaft O.D. (mm): 17.8
Lead (mm): 50
DCMB17T
Days to Ship: 2 - 3 weeks*
For Shaft O.D. (mm): 21.2
Lead (mm): 60
DCMB20T
Days to Ship: 2 - 3 weeks*
For Shaft O.D. (mm): 25.6
Lead (mm): 73.3
DCMB25T
Days to Ship: 2 - 3 weeks*
For Shaft O.D. (mm): 31.9
Lead (mm): 93.3
DCMB30T
Days to Ship: 2 - 3 weeks*
For Shaft O.D. (mm): 34.1
Lead (mm): 97.7
DCMB35T
Days to Ship: 2 - 3 weeks*
Model No. Outer dimensions Change nut dimensions Dynamic permissible torqueT*2 Dynamic permissible thrustF*2 Static permissible load of the flangeP Nut mass
Outer diameter Length
L
Flange diameterD1 H B PCD r F d
D Toleranceh9
mm mm mm mm mm mm mm mm mm mm N-m N N g
DCMB8T*1150-0.1162843.4210.83.2486318005
DCMB12T*120253654.527112.71370280010
DCMB15T220-0.052304465.4311.54.51.532.446101380085
DCMB17T28355176.6381.54.51.548608028100140
DCMB20T320-0.062405676.6421.56.5279.4833034600210
DCMB25T36506186.64728.521481270038500280
DCMB30T445676109582922691620055400465
DCMB35T520-0.06084109662.51032871850084500670
Note 1: Miniature Change Nut models DCMB8T and DCMB12T use oil-impregnated plastics (outer diameter tolerance: special).Note 2: The permissible dynamic torque (T) or permissible dynamic thrust (F) is the value at which the contact surface pressure on the screw tooth surface is 9.8 N/mm2. The maximum axial load (both when stopped and during operation) is set to the dynamic permissible thrust or below, and it must be selected while taking into consideration the desired safety factor.For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.