Click to expand Tap to zoom 1/2" Stainless Shaft Collar with Set Screw Sale $21.85 SKU SSC-050 5 Pack - $21.85 10 Pack - $41.65 25 Pack - $87.40 Quantity Discounts 5 Pack 10 Pack 25 Pack 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. OD: 1" ID: 1/2" W: 7/16" Setscrew: 1/4"-20