• Model NO.：Drilling Tool
• Lead Time：15-30days
• Transport Package：Wooden Box
• Specification：customized
• Trademark：BOLEE
• Origin：China
• HS Code：8431431000
• Production Capacity：3000pieces,Mth

Basic Info.

Model NO. Drilling Tool Lead Time 15-30days Transport Package Wooden Box Specification customized Trademark BOLEE Origin China HS Code 8431431000 Production Capacity 3000pieces/Mth

Product Description

Kelly barProduct feature and advantagesStrict selection of raw materials and forging parts such as drive stub to assure the reliable quality;
Heat treatment is widely used in the key parts such as drive keys to improve wear resistance;
With high torsional coefficient, the compression and vibration resistance of kelly bar is higher than average level, high
efficient in rock drilling construction;