乙烯基滚轮轴套（VRPC系列）在运输和存储期间保护油和气钻头上的螺纹。 由高硬度乙烯基制成，设计提供和干涉配合，并且成角度匹配锥形钻头形状以用于全覆盖保护。 1.高硬度乙烯基提供额外的端壁保护 2.保持螺纹不含污染物 3.经济保护 颜色：黑色 材料：乙烯基
Vinyl Roller Pin Covers (VRPC series) protect threads on oil and gas drill bits during shipping and storage. Made with a high-durometer vinyl, the design provides and interference fit and is angled to match the conical drill bit shape for full coverage protection.
Size
2-3/8" API
2-7/8" API
3-1/2" API
4-1/2" API
6-5/8" API
7-5/8" API
8-5/8" API
2-3/8" PAC