适用行业
建材店, 维修店, 生产车间, 零售业, 施工工地
Item
IMT AF180/ AF240/ AF270 / AF300
Type
Interlocking kelly bar / friction kelly bar
Material of 1-2/3 element
Q345B
Material of 2-4/5 element
35CrMo / 27SiMn with quenched-tempered heat treatmet
Tube material
Alloy seamless steel tube
Abrasion resistance
Strong
Certification
ISO9001 & Solo patents
Business type
Factory direct