Specification :

Integral Drill Rod
Product Description ( 1) Shank Size: H22x108mm, H19x108mm, H25x108mm , or upon your requirements.( 2) Bit Diameter: D29-42mm( 3) Length: any length under 10M is available( 4) Package: bundled with steel strip and then put into container or according to your requirement.( 5) Effect: Drill Efficiency is increased 30% than normal products. Remark: The cost of 1pc Taper Rod and 3 pcs Taper bits is dear than 1pc Integral Rod, but the drill life is shorter.