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Product Specifications:
| Item | Shaft Collar |
| Bore Dia. | 12 mm |
| Bore Tolerance | 0.012 mm to 0.5 mm |
| Bore Type | Round Keyed |
| Clearance Dia. | 32 mm |
| Collar Construction | 2-Piece |
| Collar Material | Stainless Steel |
| Collar Material Finish | Bright |
| Collar Material Grade | Grade 303 |
| Collar Outside Diameter | 28 mm |
| Collar Width | 24 mm |
| Construction | Two Piece |
| For Shaft Dia. | 12 mm |
| For Shaft Diameter | 12 mm |
| Included Screws | (4) Clamp Screw |
| Keyway Depth | 1.9 mm |
| Keyway Width | 4 mm |
| Max. Operating Temp. | 350°F |
| Min. Operating Temp. | -40°F |
| Outside Dia. | 28 mm |
| Resistance Properties | Corrosion Resistant |
| Screw Location From Center | 10.01 mm |
| Screw Material | Stainless Steel |
| Screw Material Finish | Bright |
| Screw Material Grade | Grade 18-8, 300 Series |
| Screw Seating Torque | 2.5 N-m |
| Screw Thread Size | M4 |
| Shaft Locking Type | Clamp On |
| Shaft Tolerance | -0.013 mm to 0 mm |
| System Of Measurement | Metric |
| Width Tolerance | -0.254 mm to +0.076 mm |
Shipping Info:
| Ship weight (kg) | 0.08 |
| Ship height (cm) | 2.36 |
| Ship length (cm) | 3.33 |
| Ship width (cm) | 3.33 |
| Country of Origin | US |
Product Variants
| Model | Bore Dia. | Collar Material | Outside Dia. | Screw Material | Clearance Dia. | Collar Width | Collar Material Finish | For Shaft Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| MWSPK-10-SS | 10 mm | Stainless Steel | 24 mm | Stainless Steel | 26.3 mm | 20 mm | Bright | 10 mm | €213.88 | |
| MWSPK-25-SS | 25 mm | Stainless Steel | 45 mm | Stainless Steel | 52.1 mm | 33 mm | Bright | 25 mm | €444.27 | |
| MWSPK-16-SS | 16 mm | Stainless Steel | 34 mm | Stainless Steel | 39.3 mm | 28 mm | Bright | 16 mm | €306.05 | |
| MWSPK-8-SS | 8 mm | Stainless Steel | 18 mm | Stainless Steel | 22.4 mm | 20 mm | Bright | 8 mm | €194.79 | |
| MWSPK-8-F | 8 mm | Carbon Steel | 18 mm | Alloy Steel | 22.4 mm | 20 mm | Black Oxide | 8 mm | €133.09 | |
| MWSPK-12-F | 12 mm | Carbon Steel | 28 mm | Alloy Steel | 32 mm | 24 mm | Black Oxide | 12 mm | €158.50 | |
| MWSPK-16-F | 16 mm | Carbon Steel | 34 mm | Alloy Steel | 39.3 mm | 28 mm | Black Oxide | 16 mm | €171.46 |
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RULAND MANUFACTURING MWSPK-12-SS 12mm Double Wide Shaft Collar, 303 SS, Two-Piece Clamp Style with Keyway, 28mm OD, 23.6mm Wd.
€245.19 /unit

