China Wholesale Carbide Rock Drill Bits – Bench and long-hole drilling ST68 (2 3/4″) – LYNE

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"Sincerity, Innovation, Rigorousness, and Efficiency" will be the persistent conception of our company to the long-term to establish together with customers for mutual reciprocity and mutual gain for Carbide Button Bits, Double Disc Cutter, Carbide Bullet Teeth, Always for the majority of business users and traders to provide best quality products and excellent service. Warmly welcome to join us, let's innovation together, to flying dream.

China Wholesale Carbide Rock Drill Bits – Bench and long-hole drilling ST68 (2 3/4″) – LYNE Detail:

Bench and long-hole drilling ST68 (2 3/4″)

R25 (1”)
R28 (1 1/8”)
R32 (1 1/4”)
R/T38 (1 1/2”)
T45 (1 3/4”)
T51 (2”)
T60 (2 3/8”)
Drill bit R/T38
Extension rod T38 – Hex. 32 mm – T38
Extension rod T38 – Round 38 mm – T38 (Speedrod)
Extension rod R38 – Round 38 mm – R38
Extension rod T38 – Round 38 mm – T38
Extenstion rod T38 – Round 38 mm – T38 (with double thread)
Guide rod T38 – Round 45 mm – T38 (Speedrod)
Guide tube T38
Coupling R/T 38

Bits

Diameter

Buttons,mm

Angle

Flushing hole

Weight approx kg

Part No.

Front

No Size

Gauge

No Size

Type

Front

Gauge

Button bit

102

4”

8×12

10×12

35º

5.2

1432-102ST68-812/1012-45-51

115

4 1/2”

8×14

10×14

35º

5.9

1432-115ST68-814/1014-45-51

Button bit
	102	4”	6×13	8×14	35º	2	-	5.5	1431-102ST68-613/814-45-41

Button bit, Retrac
	102	4”	8×12	10×12	35º	4	-	6.2	1632-102ST68-812/1012-45-51
	115	4 1/2”	8×14	10×14	35º	4	-	8.4	1632-115ST68-814/1014-45-51
	102	4”	7×12	9×12	35º	3	-	6.2	1531-102ST68-712/912-45-41
	115	4 1/2”	7×13	9×13	35º	3	-	8.4	1531-115ST68-713/913-45-41

Collaring bit, ST68
	152	6”	8×16	9×16	35º	3	-	9.8	1431-152ST68-816/916-45-41

Reaming bit, ST68
	152	6”	6×14	8×14	35º	4	-	14.0	1441-152ST68-614/814-45-41

Tubes	Length		Diameter		Weight approx kg	Part No.
	mm	ft/in	mm	inch
Drill tube, ST68－Round87－ST68
	1525	5＇	87	3 1/2′	40.0	24G87-ST68/87-1525-23
	1830	6＇	87	3 1/2′	47.0	24G87-ST68/87-1830-23

production process

certificate

Carburization is a process used to harden the entire rod surface both internally and externally to strengthen and extend the life of the rod.
High Frequency Induction is a process where only the thread ends of the rod are hardened to lengthen thread life.
Our comprehensive range of bench and production rock drilling tools includes everything from 1” rope thread equipment all the way up to T60 thread equipment, Many customers say that our rods, tubes and button bits are the best on the market today. Let’s just say they will improve productivity considerably.

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To be a result of ours specialty and service consciousness, our enterprise has won an excellent status between buyers all around the globe for China Wholesale Carbide Rock Drill Bits – Bench and long-hole drilling ST68 (2 3/4″) – LYNE , The product will supply to all over the world, such as: Sri Lanka, Congo, Lisbon, At present our sales network is growing continually, improving service quality to meet customer's demand. If you are interested in any products , please contact us at anytime. We are looking forward to forming successful business relationships with you in near future.

4 Inch Rock Drill Bit