12" SD12 Large Hole Mining and Well Drilling DTH Button Bit

• Certification: ISO 9001:2000
• Standard: GB, GOST
• Surface Treatment: Spray-Paint
• Manufacturing Process: Casting
• Material: Alloy Steel
• Color: on Request
• Model NO.: SD12, DHD1120, NUMA120, NUMA125
• Condition: 100% New
• Delivery: 25-30days
• MOQ: 1PCS
• After Sale Service: Yes
• OEM/ODM: Yes
• Transport Package: Carton
• Specification: 305-381MM
• Trademark: SANSUNG
• Origin: China
• HS Code: 82071300
• Production Capacity: 30000 PCS/Year

Product Description

Sansung company makes and supplies the finest and most efficient Down-the-Hole (DTH) hammers and bits for the mining, construction and water well industries.

Drill and blast engineers and water well contractors trust Sansung's DTH equipment because of the precision engineering and high standards of drilling efficiency built into each of our hammers and bits.

 

Features of Sansung made DTH(down the hole) hammer bit:

(1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA for increased durability and wear characteristics, and YK 05 tungsten carbide which is same grade as internationally well-known brand.

(2) Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand,

(4) Entire CNC processing procedure ensure the quality consistency and reliable.

(5) Military grade requirements of heat-treatment guarantee durability, specific heat treatment standards and special "stress relief" processes ensure consistent performance.

(6) Designed for maximum performance and hole cleaning ability and high penetration rate.

 

SD12	DHD112
NUMA120	NUMA125

12inch (12") DTH Drill Button Bit

Diameter		No.*button  dia. (mm)		No.*dia. (mm)	weight    kg
mm	inch	gauge buttons	front buttons	flushing hole
305	12	15*Φ19	9*Φ16	3*Φ32	130
311	12 1/4	15*Φ19	9*Φ16	3*Φ32	132
330	13	15*Φ19+12*Φ19	31*Φ16	3*Φ32	145
350	13 3/4	15*Φ19	12*Φ16+4*Φ16	3*Φ32	158
356	14	15*Φ19+16*Φ19	16*Φ16+4*Φ16	4*Φ28	162
381	15	16*Φ19+12*Φ19	16*Φ18+6*Φ18	4*Φ28	187