HOBKEY 1PC D20L25 Rigid Coupling High Precision Shaft Coupler with 2 M3 Screws for Stepper Servo Motor 3D Printer T8 Lead Screw (Size : D20L25-8X8)

CouplingsCommon CouplingsDIFFERENT RIGID COUPLINGOuter SizeOptional Inner HoleD20 L253/4/5/6/6.35/7/8/9/10 mmD20L353/4/5/6/6.35/7/8/9/10 mmD25L254/5/6/6.35/7/8/9/9.5/10/11/12/12.7 mmD25 L304/5/6/6.35/7/8/9/9.5/10/11/12/12.7 mmD32 L408/9/9.5/10/11/12/12.7/13/14/15/16 mmD32 L458/9/9.5/10/11/12/12.7/13/14/15/16 mmD40 L4510/11/12/12.7/13/14/15/16/17/18/19/20/21/22 mmD40 L5010/11/12/12.7/13/14/15/16/17/18/19/20/21/22 mmD45 L6010/11/12/12.7/13/14/15/16/17/18/19/20/21/22/23/24/25 mmD50L5512/12.7/13/14/15/16/17/18/19/20/21/22/23/24/25/26 mmD55 L7512/12.7/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28 mmD65 L8015/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/3132/33/34/35 mm1PCS D20 L25 Rigid Coupling1. High-precision2. Low noise3. Wear-resisting4. Long Service LifeProduct featuresAL7075 aviation aluminum alloy;Grade 12.9 high strength screw;Zero clearance transmission;Light weight, ultra-low inertia and high sensitivity;Super oil and corrosion resistance;Keyways are available.If the keyway is required, add 1 USD / set.Keyway can be opened with the same diame ter, but not with different diameter.The coupling has no keyway by default.Outer SizeD(mm)L(mm)t(mm)L/2(mm)M(mm)Rated (N*m)Max (N*m)Max Speed(r/min)Moment of Inertia(kg*m²)Locking (N*m)D20 L25 20251 122-M31020310003.4x10^-73 D20 L35 20351 174-M31020310003.4x10^-73 D25 L30 25301 14.52-M41224250009.2x10^-77 D25 L35 25351 174-M31224250003.4x10^-63 D32 L40 32401 19.54-M415

• Couplings
• 1PC D20L25 Rigid Coupling High Precision Shaft Coupler with 2 M3 Screws for Stepper Servo Motor 3D Printer T8 Lead Screw