Features of SW Kelly bar
●Designed according to advanced Modular-element principle with six
ribs laid on tubes.
●The advantages of our Kelly bar, such as low weight, hioh strength,
high abrasion-resistance, high-reliablity are safeguardedtechnologically by
superior process, advanced machining equipments and special fixtures.
●All Kelly bars are available in interlocking, friction and partially
lockable version. Length, Kelly stub and Kelly eye's dimensiorcan be on
request.
●Complete model series and fexible design and manufacture ensure the
abiity to supply Kelly bar to matched with any model ofdrilling rigs.
●Take use of seamless alloy tube imported from Germany Mannesmann or
locally-made. Special hot-treatment enhances the material's strength more than
800Mpa. ●Ribs made of alloy hot-treated specially
enjoys both high hardness and perfect welding performance, high
abrasion-resistanceleads to hiah-reliability.
●Several service centers and rich experience of repairing Kelly bars
on jobsite or in workshop benefit customers to enjoy rapidservice.