China Wholesale Hole Boring Bits Suppliers – Bench and long-hole drilling ST68 (2 3/4″) – LYNE

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China Wholesale Hole Boring Bits Suppliers – 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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Sticking to the principle of "Super High-quality, Satisfactory service" ,We are striving to generally be a very good business partner of you for China Wholesale Hole Boring Bits Suppliers – Bench and long-hole drilling ST68 (2 3/4″) – LYNE , The product will supply to all over the world, such as: Hanover, Thailand, Saudi Arabia, We also have good cooperation relationships with many good manufacturers so that we can provide almost all of auto parts and after-sales service with high quality standard,lower price level and warmly service to meet demands of customers from different fields and different area.

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