Surface set diamond core bits can be used with any type of core barrels. By varying the diamond grade, size, quality and matrix hardness and crown shape.
To avoid excessive matrix wear at the leading edge of each segment. Tungsten carbide inserts are fitted on each side of the waterway. This kind of bits cannot be used in broken or loose formation.
Our surface set diamond bits have proven to have a high penetration rate, long service life and best adaptability.
Standard Crown Profiles for Surface Set Diamond Core Bits:
(1) Semi-round
(2) Multi-step
(3) Semi-round Face Discharge
(4) Multi-step Face Discharge
Basic info:
Original: Wuxi, China
Certification: ISO9001
Price: Negotiable
Model NO: BQ NQ HQ PQ
Usage: Wireline core barrel parts
Payment term: TT, LC
Delivery date: Negotiable
Packing: export standard
Standard:DCDMA
MOQ: 1 PC
Diamond Stone Size: Stones Per Carat (spc)
10/15 spc: Soft to Medium Formation
20/25 spc: Medium to Hard Formation
30/40 spc: Medium Hard to Hard Formation
40/60 spc: Hard Formation
60/80 spc: Hard to Very Hard Formation
Face Profile:
Semi Round: Standard profile. Very strong in hard broken formation.
Stepped: High penetration and stability but fragile in hard fractured formation.
Conical: Good penetration rate and stability. Stronger than stepped profile.
Pilot: Good core recovery in soft, friable formation especially when used with face discharge. Good stablisation but fragile nose.
Biconical: Only used on thick kerf core bits in soft unfractured formation.
Package and Shipping:
Package:
wooden cases, cardboard boxes and steel frames etc. as you required. And all goods will be protected by plastic films, thread protection caps, anti-rust oils, bubble films and so on to make sure no damage will be caused during shipping.
Shipping:
Special passage for container loading is available at the gate of our company to improve the efficiency.
| By Express | 1kg-50kg |
| By Air | 50kg-500kg |
| By Sea | 500kg or more |