- GrandPro Product Line

Stock list

Our UAE stock location is established to ensure the shortest delivery time to the customers working in the region. With maximum three working days our bits can be delivered to any location all over the Middle East & Africa countries.

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Roller Cone Bits: GrandPro Product Line

GrandProProduct Line (VU/AU):

Large diameter three cone bits with premium sealed bearings are designed for multiple drilling of upper sections (surface hole drilling). These high durability bits are designed both for rotary drilling and drilling with downhole motors up to 300 RPM.

GrandPro Line bits may have single or double-sealed journal or roller bearings. The journal bearing’s parts are made of special antifriction, wear-resistant materials with silver coating to increase bearing’s life. The seals have special designs and made of patented materials to increase bearing durability.

GrandPro Line bits may have cutting structure of steel teeth or TCI. Patented hard alloy is applied on the teeth to increase their life.

The gauge can be protected with tungsten carbide inserts. For additional protection against gauge loss, a near gauge of tungsten carbide inserts can be used.

To use in certain applications, the gauge and the near gauge rows may include combined diamond and tungsten carbide compacts.

Shirttail and leg leading edge are hardfaced to resist early wear. Shirttail can be protected with TCI, diamond compacts or a combination of tungsten carbide and diamond compacts.

Stabilization and other features could be applied on these bits to improve the performance and increase the bit life.

Some GrandPro-Steel Tooth Bits:

Old Designation NewDesignation Size: mm / in IADC PIN Size, "
VU2-KL11TG GRDP115 660,4 26 115 7 5/8 API REG
VU2-KL13TG GRDP135 660,4 26 135 7 5/8 API REG
VU-KL21TG GRDP215 558,8 22 215 7 5/8 API REG
VU2-KL11TGP GRDP115 490 19 19/64 115 7 5/8 API REG
VU-KLS11TG GRDP115 469,9 18 1/2 115 7 5/8 API REG
VU-KLS12TG GRDP125 469,9 18 1/2 125 7 5/8 API REG
VU-KLS13TGP GRDP135 469,9 18 1/2 135 7 5/8 API REG
VU-KLS21TGP GRDP215 469,9 18 1/2 215 7 5/8 APIREG
VU2-KLS11TGP GRDP115 444,5 17 1/2 115 7 5/8 API REG
AUM2-KLS11TGP GRDP117 444,5 17 1/2 117 7 5/8 API REG
AUM2-KLS12TGP GRDP127 444,5 17 1/2 127 7 5/8 API REG
VU2-KLS13TGP GRDP135 444,5 17 1/2 135 7 5/8 API REG
AUM2-КLS13TGP GRDP137 444,5 17 1/2 137 7 5/8 APIREG
VU2-KLS21TGP GRDP215 444,5 17 1/2 215 7 5/8 API REG
AUM2-KLS21TGP GRDP217 444,5 17 1/2 217 7 5/8 API REG
VU-KLS11TG GRDP115 431,8 17 115 7 5/8 API REG
AU-KLS11TGP GRDP117 431,8 17 117 7 5/8 API REG
VU-KLSP11TG GRDP115 406,4 16 115 7 5/8 API REG
VU-KLSP13TGP GRDP135 406,4 16 135 7 5/8 API REG
VU2-KLS21TGP GRDP215 406,4 16 215 7 5/8 API REG
VU2-KLS11TGP GRDP115 393,7 15 1/2 115 7 5/8 API REG
AUM2-KLS11TGP GRDP117 393,7 15 1/2 117 7 5/8 API REG
AUM2-KLS12TGP GRDP127 393,7 15 1/2 127 7 5/8 API REG
VU2-KLS13TGP GRDP135 393,7 15 1/2 135 7 5/8 API REG
AUM2-KLS13TGP GRDP137 393,7 15 1/2 137 7 5/8 API REG
VU-K21TG GRDP215 393,7 15 1/2 215 7 5/8 API REG
AUM2-KLS21TGP GRDP217 393,7 15 1/2 217 7 5/8 API REG
VU-K23G GRDP235 393,7 15 1/2 235 7 5/8 API REG

Some GrandPro-TCI Bits:

Old Designation New Designation Size: mm / in IADC PIN Size, “
VU2-KL51XGG GRDP515 660,4 26 515 7 5/8 API REG
VU2-KL54Z GRDP545 490 19 19/64 545 7 5/8 API REG
AUM2-KLS41ZPGG GRDP417 444,5 17 1/2 417 7 5/8 API REG
VU-KLS42XPGG GRDP425 444,5 17 1/2 425 7 5/8 API REG
VU2-KLS43ZPW GRDP435 444,5 17 1/2 435 7 5/8 API REG
AUM2-KLS43ZP GRDP437 444,5 17 1/2 437 7 5/8 API REG
VU2-KLS44ZPW GRDP445 444,5 17 1/2 445 7 5/8 API REG
VU2-KLS51XP GRDP515 444,5 17 1/2 515 7 5/8 API REG
AUM2-KLS51XP GRDP517 444,5 17 1/2 517 7 5/8 API REG
VU2-KLS52XP GRDP525 444,5 17 1/2 525 7 5/8 API REG
VU2-KLS53XP GRDP535 444,5 17 1/2 535 7 5/8 API REG
AUM2-KLS53XGG GRDP537 444,5 17 1/2 537 7 5/8 API REG
VU-KLS54ZGG GRDP545 444,5 17 1/2 545 7 5/8 API REG
VU-K54X GRDP545 393,7 15 1/2 545 7 5/8 API REG
VU2-KLS62XP GRDP625 393,7 15 1/2 625 7 5/8 API REG
AUM2-KLS43X GRDP437 406,4 16 437 7 5/8 API REG
VU2-KLS53XGG GRDP535 406,4 16 535 7 5/8 API REG