Air drill, drill bit, cross drill offer 
 Air drill bit that is the word used for rock drills (pneumatic drill) machine 
 Cross drill product specifications Ф30mm × 65mm 8 × 14, 7 ° 22Y130-722Ф32mm × 65mm 8 × 14, 7 ° 22Y132-722Ф34 mm × 65mm 8 × 14 7 ° 22Y134-722Ф36 mm × 66mm 8 × 14 7 ° 22 Y136- 722Ф38 mm × 66mm 10 × 15 7 ° 22Y138-722Ф40mm × 66mm 10 × 15 7 ° 22Y140-722Ф42mm × 66mm 10 × 15 7 ° 22Y142-722Ф43mm × 66mm 10 × 15 7 ° 22Y143-722Ф45mm × 66mm 10 × 15 7 ° 22Y145 -722Ф50mm × 66mm 10 × 15 7 ° 22Y150-722Ф60mm × 66mm 10 × 15 7 ° 22Y160-722 
 Company drill: drill, cross drill, word drill, air drill, coal drill bits, PDC anchor bits, PDC drill bits, PDC bits, carbide drill bolt, diamond three wing drill, concave three no airfoil core drill, no core drills, drill head, drill bit connected sets, drilling, connected sets, bolt connection sets, connection sleeve anchor, drill pipe connection sleeve, fiber tail, 
 Phone: 0537-2165458 
 Fax: 0537--2530678 
 Mobile: 15069731211 
 QQ: 1399893937 
 Manager: Zhang Song 
 Website: www.bafangjixie.com 
 E-mail: 1399893937@qq.com 
 Octagon Mining Machinery Co., Ltd. Jining