12 Inch Down The Hole DTH Hammer Bits for Drilling

• Certification：ISO 9001:2008
• Standard：ASTM
• Surface Treatment：Polishing
• Manufacturing Process：Forging
• Material：Alloy Steel
• Transport Package：Carton+Plywood Case

=== Base Info ===

• Model NO.：SD12,DHD1120,NUMA120,NUMA125
• Specification：SD12,DHD1120,NUMA120,NUMA125
• Trademark：SOLLROC
• Origin：China
• Production Capacity：20000,Month

=== Description ===

Weight(kg)mm    inchGauge ButtonsFront Buttons30512"3*Ф3215*Ф1927*Ф18+9*Ф168531112 1/4"3*Ф3215*Ф1927*Ф18+9*Ф169133013"3*Ф3215*Ф19+12*Ф1927*Ф18+16*Ф169535013 3/4"3*Ф3215*Ф19+12*Ф1928*Ф18+20*Ф169735614"4*Ф4816*Ф19+16*Ф1928*Ф18+20*Ф169838115"4*Ф4816*Ф19+12*Ф1942*Ф18101
Detailed Images




Packaging
carton+plywood case