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{"title":"Kelly Bar Damping Rubber Compression Springs ISO9001","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/35\/ee49116afe61b46a31f2eb6f2bdf-200x200-1\/kelly_bar_damping_rubber_compression_springs_iso9001.jpg","attrs":{"Brand Name":"JTHL","Model Number":"spring","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"Upper Anchor 16Mn Kelly Bar Parts Construction Machine Parts Piling Rig","imgUrl":"https:\/\/img.chinax.com\/nimg\/ff\/c5\/8b6d6170eba2d256f2f9d5e10ba9-200x200-1\/upper_anchor_16mn_kelly_bar_parts_construction_machine_parts_piling_rig.jpg","attrs":{"Brand Name":"JTHL","Model Number":"kelly bar tools","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"60Si2Mn Kelly Bar Tool Damping Spring 70KGS O50*400*410","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/01\/d16e6972b962067edc5132486111-200x200-1\/60si2mn_kelly_bar_tool_damping_spring_70kgs_o50_2a400_2a410.jpg","attrs":{"Brand Name":"JTHL","Model Number":"50*400*410","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"Forging Kelly Bar Tool Terminal Joint For Casagrande Rotary Drilling Rig Piling","imgUrl":"https:\/\/img.chinax.com\/nimg\/5e\/a4\/7fb11d22075ebb87df9b4d545047-200x200-1\/forging_kelly_bar_tool_terminal_joint_for_casagrande_rotary_drilling_rig_piling_rig_components.jpg","attrs":{"Brand Name":"JTHL","Model Number":"Kelly bar accessories","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"Water Plate Rotary Drilling Rig Parts For Kelly Bar","imgUrl":"https:\/\/img.chinax.com\/nimg\/82\/02\/47011773e3c374cacead9e84b774-200x200-1\/water_plate_rotary_drilling_rig_parts_for_kelly_bar.jpg","attrs":{"Brand Name":"JTHL","Model Number":"OD600mm","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"Damping Spring Kelly Bar Tool 60si2mn Od20mm-300mm For Rotary Drilling Rig","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/c8\/9dbc941b108f58aa7eefafb653bd-200x200-1\/damping_spring_kelly_bar_tool_60si2mn_od20mm_300mm_for_rotary_drilling_rig.jpg","attrs":{"Brand Name":"JTHL","Model Number":"OD20mm-300mm","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"Foundation Drilling Kelly Box Kelly Bar Tool Od40-800mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/0b\/c4647ad87dc034faa571f425637c-200x200-1\/foundation_drilling_kelly_box_kelly_bar_tool_od40_800mm.jpg","attrs":{"Brand Name":"JTHL","Model Number":"OD40-800mm","Certification":"ISO9001:2008","Place of Origin":"China"}}
High quality Rubber Compression Springs Kelly bar damping springs
kelly damping spring Different kelly bar is matched different Model, such as
45*330*400
55*390*400
50*400*410
55*420*420
70*480*480
Please offer the following specification : 1.Material 2.Wire diameter 3.Surface treatment 4.Inner diameter and outer diameter(ID and OD) 5.Free length and work length 6.Application
3D diagram of spring
Product details
factory photo
Packaging and Shipping
Exhibition
patent certificate
construction site
Welcome Contact Us
Due to space limitations, not all product details are displayed. For details, please consult Cathy Lee, WhatsApp+8613311085686
Beijing Jietaihongli Technology Co., Ltd., founded in 2004, headquartered in Beijing, branch factory in Shouguang, Shandong. The company is mainly engaged in the production and sales of rotary piling kelly bars , drilling tools, rotary piling rig overhaul, rig sales and accessories supply.
Beijin... Beijing Jietaihongli Technology Co., Ltd., founded in 2004, headquartered in Beijing, branch factory in Shouguang, Shandong. The company is mainly engaged in the production and sales of rotary piling kelly bars , drilling tools, rotary piling rig overhaul, rig sales and accessories supply.
Beijin...