Double Shield Tbm Factory – Bench and long-hole drilling ST68 (2 3/4″) – LYNE

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Our improvement depends on the superior equipment, excellent talents and continuously strengthened technology forces for Tbm Accessories Parts, To Drill A Hole, Air Rock Drill Bits, If you are interested in any of our products, please feel free to contact us for more details. We hope to cooperate with more friends from all over the world.

Double Shield Tbm Factory – 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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We normally follow the basic principle "Quality Initial, Prestige Supreme". We've been fully committed to offering our consumers with competitively priced good quality merchandise, prompt delivery and professional support for Double Shield Tbm Factory – Bench and long-hole drilling ST68 (2 3/4″) – LYNE , The product will supply to all over the world, such as: Mecca, Swiss, Mombasa, Wide selection and fast delivery to suit your needs! Our philosophy: Good quality, great service, keep improving. We've been looking forward that more and more oversea friends join in our family for further development near the future!

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