High Quality Cheap Good Tricone Bit

• After-sales Service: Online Support
• Warranty: 3 Month
• Surface Treatment: Without Processing
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 17 1/2 inch
• Manufacturing Process: Forging
• Material: Alloy Steel
• Transport Package: Wooden Case
• Specification: Alloy
• Trademark: Anbit
• Origin: China
• Production Capacity: 10000

Product Description

Product Description

 

High Quality  17 1/2 inch Tricone  Bit Drilling Drag Bit for Water Well

 

IADC	Pressure(KN/mm)	Drill speed(r/min)	Applicable strata
417/427	0.3-0.9	150-70	Very soft strata have low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc.
437/447	0.35-0.9	150-70
515/525	0.35-0.9	180-60	Soft strata have low compressive strengthand high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc.
517/527	0.35-1.0	140-50
535/545	0.35-1.0	150-60	Soft to medium-soft has low compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone, forming medium-hard and hard grinding interlayer.
537/547	0.4-1.0	120-40
617/627	0.45-1.1	90-50	High compressive medium-hard formation strength, such as hard shale, limestone, sandstone, dolomite, etc.
637	0.5-1.2	80-40	Hard strata have high compressive strength, such as sandstone, limestone, dolomite, gypsum, marble, etc.
737	0.7-1.2	70-40	Hard strata have high compressive strength, such as hard limestone, dolomite, etc.
827/837	0.7-1.2	70-40	Extremely hard strata with high compressive strength and abrasiveness, such as hard limestone, dolomite, hard sandstone, chert, etc.

 

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