Elinco International JPC, Inc.Japanese Products Corp.
Elinco International JPC, Inc. – Corporate Headquarters
1525 Kings Highway East
Fairfield, CT 06824
Phone: 203.334.7537
Fax: 203.334.7792
Email: info@e-jpc.com
Website: www.e-jpc.com
Print Back
  • Metric dimensions and fasteners
  • Available in 7075-T6 aluminum alloy or 17-4 PH corrosion- resistant steel
  • General purpose
If you are working in the metric world, the W Series is for you. It combines the best features of the A Series and the H Series, with the convenience of metric dimensions and fasteners for your metric based designs. The W Series can be used in a wide range of applications from driving components with light torque requirements, such as encoders and tachometers (aluminum), to lead screws and pumps requiring greater torque (stainless steel).
Helical W Series Stainless Steel Couplings (w7c25)
Unit of Measure
1 

Item #

Outside Diameter Designator

Bore Designator

Momentary Dynamic Torque

Torsional Rate

Screw Size

W7C15-3mm-3mm N/A 15 N/A 3 mm N/A 1.4 N·m N/A 1.9 degree/N·m N/A M2 x 0.4
W7C15-4mm-3mm N/A 15 N/A 4 mm N/A 1.3 N·m N/A 2.6 degree/N·m N/A M2 x 0.4
W7C15-4mm-4mm N/A 15 N/A 4 mm N/A 1.3 N·m N/A 2.6 degree/N·m N/A M2 x 0.4
W7C15-5mm-3mm N/A 15 N/A 5 mm N/A 1.2 N·m N/A 3.7 degree/N·m N/A M2 x 0.4
W7C15-5mm-4mm N/A 15 N/A 5 mm N/A 1.2 N·m N/A 3.7 degree/N·m N/A M2 x 0.4
W7C15-5mm-5mm N/A 15 N/A 5 mm N/A 1.2 N·m N/A 3.7 degree/N·m N/A M2 x 0.4
W7C20-4mm-4mm N/A 20 N/A 4 mm N/A 2.6 N·m N/A 0.99 degree/N·m N/A M3 x 0.5
W7C20-5mm-4mm N/A 20 N/A 5 mm N/A 2.5 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W7C20-5mm-5mm N/A 20 N/A 5 mm N/A 2.3 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W7C20-6mm-4mm N/A 20 N/A 6 mm N/A 2.3 N·m N/A 1.6 degree/N·m N/A M3 x 0.5
W7C20-6mm-5mm N/A 20 N/A 6 mm N/A 2.3 N·m N/A 1.6 degree/N·m N/A M3 x 0.5
W7C20-6mm-6mm N/A 20 N/A 6 mm N/A 2.3 N·m N/A 1.6 degree/N·m N/A M3 x 0.5
W7C25-6mm-6mm N/A 25 N/A 6 mm N/A 5.7 N·m N/A 0.54 degree/N·m N/A M3 x 0.5
W7C25-7mm-6mm N/A 25 N/A 7 mm N/A 5.5 N·m N/A 0.66 degree/N·m N/A M3 x 0.5
W7C25-7mm-7mm N/A 25 N/A 7 mm N/A 5.5 N·m N/A 0.66 degree/N·m N/A M3 x 0.5
W7C25-8mm-6mm N/A 25 N/A 8 mm N/A 5.1 N·m N/A 0.82 degree/N·m N/A M3 x 0.5
W7C25-8mm-7mm N/A 25 N/A 8 mm N/A 5.1 N·m N/A 0.82 degree/N·m N/A M3 x 0.5
W7C25-8mm-8mm N/A 25 N/A 8 mm N/A 5.5 N·m N/A 0.82 degree/N·m N/A M3 x 0.5
W7C25-9mm-6mm N/A 25 N/A 9 mm N/A 4.7 N·m N/A 1.0 degree/N·m N/A M3 x 0.5
W7C25-9mm-7mm N/A 25 N/A 9 mm N/A 4.7 N·m N/A 1.0 degree/N·m N/A M3 x 0.5
W7C25-9mm-8mm N/A 25 N/A 9 mm N/A 4.7 N·m N/A 1.0 degree/N·m N/A M3 x 0.5
W7C25-9mm-9mm N/A 25 N/A 9 mm N/A 4.7 N·m N/A 1.0 degree/N·m N/A M3 x 0.5
W7C25-10mm-6mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W7C25-10mm-7mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W7C25-10mm-8mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W7C25-10mm-9mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W7C25-10mm-10mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W7C30-9mm-9mm N/A 30 N/A 9 mm N/A 9.5 N·m N/A 0.40 degree/N·m N/A M4 x 0.7
W7C30-10mm-9mm N/A 30 N/A 10 mm N/A 8.9 N·m N/A 0.48 degree/N·m N/A M4 x 0.7
W7C30-10mm-10mm N/A 30 N/A 10 mm N/A 8.9 N·m N/A 0.48 degree/N·m N/A M4 x 0.7
W7C30-11mm-9mm N/A 30 N/A 11 mm N/A 8.3 N·m N/A 0.58 degree/N·m N/A M4 x 0.7
W7C30-11mm-10mm N/A 30 N/A 11 mm N/A 8.3 N·m N/A 0.58 degree/N·m N/A M4 x 0.7
W7C30-11mm-11mm N/A 30 N/A 11 mm N/A 8.3 N·m N/A 0.58 degree/N·m N/A M4 x 0.7
W7C30-12mm-9mm N/A 30 N/A 12 mm N/A 7.7 N·m N/A 0.70 degree/N·m N/A M4 x 0.7
W7C30-12mm-10mm N/A 30 N/A 12 mm N/A 7.7 N·m N/A 0.70 degree/N·m N/A M4 x 0.7
W7C30-12mm-11mm N/A 30 N/A 12 mm N/A 7.7 N·m N/A 0.70 degree/N·m N/A M4 x 0.7
W7C30-12mm-12mm N/A 30 N/A 12 mm N/A 7.7 N·m N/A 0.70 degree/N·m N/A M4 x 0.7
W7C40-12mm-12mm N/A 40 N/A 12 mm N/A 23 N·m N/A 0.16 degree/N·m N/A M5 x 0.8
W7C40-13mm-12mm N/A 40 N/A 13 mm N/A 22 N·m N/A 0.19 degree/N·m N/A M5 x 0.8
W7C40-13mm-13mm N/A 40 N/A 13 mm N/A 22 N·m N/A 0.19 degree/N·m N/A M5 x 0.8
W7C40-14mm-12mm N/A 40 N/A 14 mm N/A 21 N·m N/A 0.21 degree/N·m N/A M5 x 0.8
W7C40-14mm-13mm N/A 40 N/A 14 mm N/A 21 N·m N/A 0.21 degree/N·m N/A M5 x 0.8
W7C40-14mm-14mm N/A 40 N/A 14 mm N/A 21 N·m N/A 0.21 degree/N·m N/A M5 x 0.8
W7C40-15mm-12mm N/A 40 N/A 15 mm N/A 20 N·m N/A 0.24 degree/N·m N/A M5 x 0.8
W7C40-15mm-13mm N/A 40 N/A 15 mm N/A 20 N·m N/A 0.24 degree/N·m N/A M5 x 0.8
W7C40-15mm-14mm N/A 40 N/A 15 mm N/A 20 N·m N/A 0.24 degree/N·m N/A M5 x 0.8
W7C40-15mm-15mm N/A 40 N/A 15 mm N/A 20 N·m N/A 0.24 degree/N·m N/A M5 x 0.8
W7C40-16mm-12mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M5 x 0.8
W7C40-16mm-13mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M5 x 0.8
W7C40-16mm-14mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M5 x 0.8
W7C40-16mm-15mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M5 x 0.8
W7C40-16mm-16mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M5 x 0.8
W7C50-14mm-14mm N/A 50 N/A 14 mm N/A 37 N·m N/A 0.092 degree/N·m N/A M6 x 1
W7C50-16mm-14mm N/A 50 N/A 16 mm N/A 35 N·m N/A 0.11 degree/N·m N/A M6 x 1
W7C50-16mm-16mm N/A 50 N/A 16 mm N/A 35 N·m N/A 0.11 degree/N·m N/A M6 x 1
W7C50-18mm-14mm N/A 50 N/A 18 mm N/A 33 N·m N/A 0.14 degree/N·m N/A M6 x 1
W7C50-18mm-16mm N/A 50 N/A 18 mm N/A 33 N·m N/A 0.14 degree/N·m N/A M6 x 1
W7C50-18mm-18mm N/A 50 N/A 18 mm N/A 33 N·m N/A 0.14 degree/N·m N/A M6 x 1
W7C50-19mm-14mm N/A 50 N/A 19 mm N/A 31 N·m N/A 0.16 degree/N·m N/A M6 x 1
W7C50-19mm-16mm N/A 50 N/A 19 mm N/A 31 N·m N/A 0.16 degree/N·m N/A M6 x 1
W7C50-19mm-18mm N/A 50 N/A 19 mm N/A 31 N·m N/A 0.16 degree/N·m N/A M6 x 1
W7C50-19mm-19mm N/A 50 N/A 19 mm N/A 31 N·m N/A 0.16 degree/N·m N/A M6 x 1
W7C50-20mm-14mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W7C50-20mm-16mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W7C50-20mm-18mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W7C50-20mm-19mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W7C50-20mm-20mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W715-3mm-3mm N/A 15 N/A 3 mm N/A 1.4 N·m N/A 1.9 degree/N·m N/A M3 x 0.5
W715-4mm-3mm N/A 15 N/A 4 mm N/A 1.3 N·m N/A 2.6 degree/N·m N/A M3 x 0.5
W715-4mm-4mm N/A 15 N/A 4 mm N/A 1.3 N·m N/A 2.6 degree/N·m N/A M3 x 0.5
W715-5mm-3mm N/A 15 N/A 5 mm N/A 1.2 N·m N/A 3.7 degree/N·m N/A M3 x 0.5
W715-5mm-4mm N/A 15 N/A 5 mm N/A 1.2 N·m N/A 3.7 degree/N·m N/A M3 x 0.5
W715-5mm-5mm N/A 15 N/A 5 mm N/A 1.2 N·m N/A 3.7 degree/N·m N/A M3 x 0.5
W720-4mm-4mm N/A 20 N/A 4 mm N/A 2.6 N·m N/A 0.99 degree/N·m N/A M3 x 0.5
W720-5mm-4mm N/A 20 N/A 5 mm N/A 2.5 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W720-5mm-5mm N/A 20 N/A 5 mm N/A 2.5 N·m N/A 1.3 degree/N·m N/A M3 x 0.5
W720-6mm-4mm N/A 20 N/A 6 mm N/A 2.3 N·m N/A 1.6 degree/N·m N/A M3 x 0.5
W720-6mm-5mm N/A 20 N/A 6 mm N/A 2.3 N·m N/A 1.6 degree/N·m N/A M3 x 0.5
W720-6mm-6mm N/A 20 N/A 6 mm N/A 2.3 N·m N/A 1.6 degree/N·m N/A M3 x 0.5
W725-6mm-6mm N/A 25 N/A 6 mm N/A 5.7 N·m N/A 0.54 degree/N·m N/A M4 x 0.7
W725-7mm-6mm N/A 25 N/A 7 mm N/A 5.5 N·m N/A 0.66 degree/N·m N/A M4 x 0.7
W725-7mm-7mm N/A 25 N/A 7 mm N/A 5.5 N·m N/A 0.66 degree/N·m N/A M4 x 0.7
W725-8mm-6mm N/A 25 N/A 8 mm N/A 5.1 N·m N/A 0.82 degree/N·m N/A M4 x 0.7
W725-8mm-7mm N/A 25 N/A 8 mm N/A 5.1 N·m N/A 0.82 degree/N·m N/A M4 x 0.7
W725-8mm-8mm N/A 25 N/A 8 mm N/A 5.1 N·m N/A 0.82 degree/N·m N/A M4 x 0.7
W725-9mm-6mm N/A 25 N/A 9 mm N/A 4.7 N·m N/A 1.0 degree/N·m N/A M4 x 0.7
W725-9mm-7mm N/A 25 N/A 9 mm N/A 4.7 N·m N/A 1.0 degree/N·m N/A M4 x 0.7
W725-9mm-8mm N/A 25 N/A 9 mm N/A 4.7 N·m N/A 1.0 degree/N·m N/A M4 x 0.7
W725-9mm-9mm N/A 25 N/A 9 mm N/A 4.7 N·m N/A 1.0 degree/N·m N/A M4 x 0.7
W725-10mm-6mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M4 x 0.7
W725-10mm-7mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M4 x 0.7
W725-10mm-8mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M4 x 0.7
W725-10mm-9mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M4 x 0.7
W725-10mm-10mm N/A 25 N/A 10 mm N/A 4.3 N·m N/A 1.3 degree/N·m N/A M4 x 0.7
W730-9mm-9mm N/A 30 N/A 9 mm N/A 9.5 N·m N/A 0.40 degree/N·m N/A M5 x 0.8
W730-10mm-9mm N/A 30 N/A 10 mm N/A 8.9 N·m N/A 0.48 degree/N·m N/A M5 x 0.8
W730-10mm-10mm N/A 30 N/A 10 mm N/A 8.9 N·m N/A 0.48 degree/N·m N/A M5 x 0.8
W730-11mm-9mm N/A 30 N/A 11 mm N/A 8.3 N·m N/A 0.58 degree/N·m N/A M5 x 0.8
W730-11mm-10mm N/A 30 N/A 11 mm N/A 8.3 N·m N/A 0.58 degree/N·m N/A M5 x 0.8
W730-11mm-11mm N/A 30 N/A 11 mm N/A 8.3 N·m N/A 0.58 degree/N·m N/A M5 x 0.8
W730-12mm-9mm N/A 30 N/A 12 mm N/A 7.7 N·m N/A 0.70 degree/N·m N/A M5 x 0.8
W730-12mm-10mm N/A 30 N/A 12 mm N/A 7.7 N·m N/A 0.70 degree/N·m N/A M5 x 0.8
W730-12mm-11mm N/A 30 N/A 12 mm N/A 7.7 N·m N/A 0.70 degree/N·m N/A M5 x 0.8
W730-12mm-12mm N/A 30 N/A 12 mm N/A 7.7 N·m N/A 0.70 degree/N·m N/A M5 x 0.8
W740-12mm-12mm N/A 40 N/A 12 mm N/A 23 N·m N/A 0.16 degree/N·m N/A M6 x 1
W740-13mm-12mm N/A 40 N/A 13 mm N/A 22 N·m N/A 0.19 degree/N·m N/A M6 x 1
W740-13mm-13mm N/A 40 N/A 13 mm N/A 22 N·m N/A 0.19 degree/N·m N/A M6 x 1
W740-14mm-12mm N/A 40 N/A 14 mm N/A 21 N·m N/A 0.21 degree/N·m N/A M6 x 1
W740-14mm-13mm N/A 40 N/A 14 mm N/A 21 N·m N/A 0.21 degree/N·m N/A M6 x 1
W740-14mm-14mm N/A 40 N/A 14 mm N/A 21 N·m N/A 0.21 degree/N·m N/A M6 x 1
W740-15mm-12mm N/A 40 N/A 15 mm N/A 20 N·m N/A 0.24 degree/N·m N/A M6 x 1
W740-15mm-13mm N/A 40 N/A 15 mm N/A 20 N·m N/A 0.24 degree/N·m N/A M6 x 1
W740-15mm-14mm N/A 40 N/A 15 mm N/A 20 N·m N/A 0.24 degree/N·m N/A M6 x 1
W740-15mm-15mm N/A 40 N/A 15 mm N/A 20 N·m N/A 0.24 degree/N·m N/A M6 x 1
W740-16mm-12mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M6 x 1
W740-16mm-13mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M6 x 1
W740-16mm-14mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M6 x 1
W740-16mm-15mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M6 x 1
W740-16mm-16mm N/A 40 N/A 16 mm N/A 19 N·m N/A 0.28 degree/N·m N/A M6 x 1
W750-14mm-14mm N/A 50 N/A 14 mm N/A 37 N·m N/A 0.092 degree/N·m N/A M6 x 1
W750-16mm-14mm N/A 50 N/A 16 mm N/A 35 N·m N/A 0.11 degree/N·m N/A M6 x 1
W750-16mm-16mm N/A 50 N/A 16 mm N/A 35 N·m N/A 0.11 degree/N·m N/A M6 x 1
W750-18mm-14mm N/A 50 N/A 18 mm N/A 33 N·m N/A 0.14 degree/N·m N/A M6 x 1
W750-18mm-16mm N/A 50 N/A 18 mm N/A 33 N·m N/A 0.14 degree/N·m N/A M6 x 1
W750-18mm-18mm N/A 50 N/A 18 mm N/A 33 N·m N/A 0.14 degree/N·m N/A M6 x 1
W750-19mm-14mm N/A 50 N/A 19 mm N/A 31 N·m N/A 0.16 degree/N·m N/A M6 x 1
W750-19mm-16mm N/A 50 N/A 19 mm N/A 31 N·m N/A 0.16 degree/N·m N/A M6 x 1
W750-19mm-18mm N/A 50 N/A 19 mm N/A 31 N·m N/A 0.16 degree/N·m N/A M6 x 1
W750-19mm-19mm N/A 50 N/A 19 mm N/A 31 N·m N/A 0.16 degree/N·m N/A M6 x 1
W750-20mm-14mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W750-20mm-16mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W750-20mm-18mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W750-20mm-19mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
W750-20mm-20mm N/A 50 N/A 20 mm N/A 30 N·m N/A 0.18 degree/N·m N/A M6 x 1
Unit of Measure
1