Base Design Swivots® Gripper Assembly - Serrated Tool Steel Ball - Inch (BBU-S) BBU-301-S

Base Design Swivots® Gripper Assembly - Serrated Tool Steel Ball - Inch (BBU-S). Base Design Swivot - 1/2 in Dia X 1 in - Extra Fine. Cylinderical body allows for installation in tight areas. The housing is tapped for backside fastening. The replaceable serrated ball swivels to allow for self-alignment on uneven surfaces. A Viton O-ring holds the ball in place while keeping contaminants out and providing smooth ball movement. The housing is made from alloy steel, heat treated to Rc 43/46 with black oxide finish. The replaceable ball is made from M-2 high speed steel heat treated to Rc 60/62. Replacement balls and O-rings can be ordered separately. Specifications: Diameter Overall in: 1/2; Length Body in: 1; Diameter Contact Surface in: 5/16; Height Standoff in: 1/16; Degree Swivel Degrees: 28; Thread Internal - Tap: #10-32; Length Thread in: 5/8; Diameter Ball in: 3/8; Part No. Ball Only: BUB-300-S; Pattern Tooth: EF.