乙烯基滾輪軸套（VRPC系列）在運輸和存儲期間保護油和氣鉆頭上的螺紋。 由高硬度乙烯基制成，設計提供和干涉配合，并且成角度匹配錐形鉆頭形狀以用于全覆蓋保護。
1.高硬度乙烯基提供額外的端壁保護
2.保持螺紋不含污染物
3.經濟保護
顏色：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.

• HIgh durometer vinyl provides extra endwall protection
• Keeps threads free of contaminants
• Economical protection