Base Design Swivots® Gripper Assembly - Serrated Tool Steel Ball - Inch (BBU-S) BBU-100-S

Base Design Swivots® Gripper Assembly - Serrated Tool Steel Ball - Inch (BBU-S). Base Design Swivot - 3/8 in Dia X 5/16 in - Super 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: 3/8; Length Body in: 5/16; Diameter Contact Surface in: 5/32; Height Standoff in: 1/16; Degree Swivel Degrees: 28; Thread Internal - Tap: #4-40; Length Thread in: 1/4; Diameter Ball in: 3/16; Part No. Ball Only: BUB-187-S; Pattern Tooth: SF.