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Stainless Steel Woodworking Drill Stopper | Drill Bit Shaft Depth Stop Collars Ring - Drill Bit - Aliexpress
MWCL-12-F Ruland | Ruland Shaft Collar One Piece Clamp Screw, Bore 12mm, OD 28mm, W 24mm, Steel | 700-6913 | RS Components
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Sinoblu 6mm Shaft Collar Aluminum Shaft Locking Collar, 6mm Bore Size, 20mm OD, with M4 Set Screw, 10mm Thickness (Pack of 4): Amazon.com: Industrial & Scientific
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Shaft collar DIN 705 A bore 12mm black finish set screw DIN EN ISO 4027 (old DIN 914) SKU: 623890126 - Maedler North America
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Ruland MSC-12-SS Set Screw Shaft Collar, Stainless Steel, Metric, 12mm Bore, 22mm OD, 12mm Width (Pack of 4): Setscrew Shaft Collars: Amazon.com: Industrial & Scientific
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