China Wholesale Tapered Drill Bit Factory – Bench and long-hole drilling ST68 (2 3/4″) – LYNE

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With advanced technologies and facilities, strict high-quality handle, reasonable rate, superior services and close co-operation with prospects, we are devoted to furnishing the best price for our customers for Seamless Steel Tube, Dth Hammer Bit, Carbide Buttons, We sincerely hope to establish some satisfactory relationships with you in the near future. We will keep you informed of our progress and look forward to building steady business relations with you.

China Wholesale Tapered Drill Bit 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.

Product detail pictures:

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With dependable high-quality method, fantastic standing and ideal purchaser assistance, the series of products produced by our firm are exported to many countries and regions for China Wholesale Tapered Drill Bit Factory – Bench and long-hole drilling ST68 (2 3/4″) – LYNE , The product will supply to all over the world, such as: Turkey, Cyprus, Belarus, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

Diamond Drill Bits For Rock