We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 diverse branches. For more specifics: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

Sansung rock drilling extension rod are created with high high quality of alloy steel bar and tungsten carbides with exceptional dress in resistance and affect toughness superior, through warmth treatment so that it can stand up to the toughe EPT rock drilling requires, and transmit intensive impact power into the rock with the lea EPT attainable decline of power. They are extensively used in all varieties of mining, drilling, quarrying, engineering, development, drinking water properly drilling, oil exploring industries and so forth.

 

Extension rod:

EPT names are Extension drill metal, Extension drill rod, and Extension metal, M/Frod (Velocity rod), generate Hexagonal and round cross-sections,Hexagonal rods are a lot more rigid, heavier and transfer energy far more proficiently,even though increasing flushing. Round rods are normally lighter than hexagonal rodsand are generally utilized in extension drilling programs. With the more time steel tending to be bigger in diameter, traditional extension metal is characterizedby replicate thread on every conclude of the metal.
Extension rods are produced by hollow drill steels, diverse lengths are obtainable from 600mm to 6400mm. This hollow gap are usually named flushing hole, used for transmitting water or air throughout drilling. And the threads can be employed for connecting couplings, shanks adapters or bits.

Male/Female (M/F) rod, velocity rod:

M/F drill steel is an option to couplings sleeves to incorporate the woman portion of the threaded link as an integral element of the drill steel. M/F drill metal offers much more rigid connections and is less difficult to uncouple and handle. The services existence also tends to be greater than with individual couplings. The rewards of drilling with M/F metal include: straightforward managing, a lot quicker uncoupling, tighter connections, the likely to drill straighter holes, and lengthier support life.
For extension rod and M/F steel approach, the underneath two distinct types of warmth treatment are employed to bolster higher velocity and strong percussive drill string components to improve their efficiency and trustworthiness. Lengthier metal greater in diameter, traditional extension steel, Hexagonal and round cross sections are available.

Carburizationis a method utilised to harder the whole rod surface the two internally and externally to strengthen and increase the life of the rod.

Higher frequency induction is approach the place only the thread ends of the rod are hardened to lengthen thread lifestyle.

R32 thread:
Extension rods, R32-Round32-R32, length915mm/1000mm/1220mm/1830mm/2435mm/3050mm/3660mm
M/F rods, R32-Round32-R32, length 915mm/1220mm/1525mm/1830mm/2435mm/3050mm/3660mm
Xihu (We EPT Lake) Dis. pace rods, R32-Round39-R32, size 3050mm/3660mm
Xihu (We EPT Lake) Dis. tube, R32-Round46-R32, length 1220mm/1525mm/1830mm/3050mm

T38 thread:
Extension rods, T38-Round39-T38, length1220mm/1525mm/1830mm/2435mm/3050mm/3660mm/3965mm/4270mm/4880mm/5530mm/6095mm
Double thread extension rods, T38-Round39-T38, size 3050mm/3660mm
MF rods, T38-Round39-T38, length915mm/1220mm/1525mm/1830mm/3050mm/3660mm/4270mm/4880mm/5530mm/6095mm
Xihu (We EPT Lake) Dis. speed rods, T38-Round46-T38, duration 1830mm/3050mm/3660mm/4270mm/4880mm/5530mm/6095mm
Xihu (We EPT Lake) Dis. tube, T38-Round56-T38, length 1220mm/1525mm/1830mm/3050mm/3660mm/4920mm
Hex extension rods, T38-Hex32-T38, size 1220mm/1830mm/2435mm/3050mm/3660mm

T45 thread:
Extension rods, T45-Round46-T45, duration 1830mm/2435mm/3050mm/3660mm/4270mm/5530mm/6095mm
MF rods, T45-Round46-T45, length1525mm/1830mm/3050mm/3660mm/4270mm/5530mm/6095mm
Xihu (We EPT Lake) Dis. pace rods, T45-Round52-T45, length 3050mm/3660mm/4270mm/5530mm/6095mm
Xihu (We EPT Lake) Dis. tube: T45-Round64-T45, duration 1220mm/1525mm/1830mm/3050mm/3660mm
Xihu (We EPT Lake) Dis. tube: T45-Round76-T45, length 1830mm/3660mm

T51 thread:
Extension rods, T51-Round52-T51, length3050mm/3660mm/4270mm/4880mm/5530mm/6095mm
MF rods, T51-Round52-T51, length1525mm/1830mm/3050mm/3660mm/4270mm/4880mm/5530mm/6095mm
Xihu (We EPT Lake) Dis. rods, T51-Round76-T51, duration 1830mm/3660mm
Xihu (We EPT Lake) Dis. tube, T51-Round87-T51, duration 3660mm

T60 thread:
MF rods, T60-Round60-T60, duration 3660mm/4265mm/6095mm

R25 (1″)

MM HEX Extension rod
Rod area 24.8mm
 

Duration (mm)	Element No. Totally carburized.	Part No. Area hardened	Bodyweight approx (kg)
1220 3050	202-5712-C,02 202-5711-C,02		3.7 ten.one

MM HEX Extension rod
Rod segment 28.5mm
 

Size (mm)	Part No. Totally carburized.	Part No. Surface hardened	Excess weight approx (kg)
915 one thousand 1220 1525 1830 2435 3050	202-0309-C,02 202-571-C,02 202-571-C,02 202-571-C,02 202- 0571 -C,02 202-0324-C,02 202-0331-C,02	202-0331-SH,03	3.3 three.nine four.5 5.7 six.nine 9.two eleven.9

MF HEX Speedrod
Rod segment 28.5mm
 

Duration (mm)	Component No. Totally carburized.	Part No. Floor hardened	Excess weight approx (kg)
610 1220	202-0306-MF-C,02 202-571-MF-C,02		2.6 5.

R28 (1^one/_eight“)

MM HEX Extension rod
Rod area 32mm
 

Duration (mm)	Element No.	Weight approx (kg)
3050	207-571-C,02	15.

MF HEX Speedrod
Rod area 32mm
 

Duration (mm)	Part No.	Fat approx (kg)
3050	207-571-MF-C,02	fifteen,seven

R32 (1¹/_four“)

MM Round Extension rod
 

Length (mm)	Part No. Totally carburized.	Component No. Floor hardened	Bodyweight approx (kg)
915 a thousand 1220 1830 2435 3050 3660	203-2509-C,02 203-2510-C,02 203-2512-C,02 203-2518-C,02 203-2524-C,02 203-2531-C,02 203-2537-C,02	203-2524-SH,03 203-2531-SH,03 203-2537-SH,03	four.eight five.7 6.5 9.eight thirteen.two 16.6 20.

MF Spherical Extension Rod
 

Length (mm)	Element No. Entirely carburized.	Part No. Area hardened	Bodyweight approx (kg)
915 1220 1525 1830 2435 3050 3660	203-2509-MF-C,02 203-2512-MF-C,02 203-2515-MF-C,02 203-2518-MF-C,02 203-2524-MF-C,02 203-2531-MF-C,02 203-2537-MF-C,02		5.5 7.three 9. 10.6 fourteen. 17.1 20.seven

MF Round Speedrod
 

Length (mm)	Portion No. Totally carburized.	Element No. Surface hardened	Weight approx (kg)
1830 3050	203-2518-MF-90-C,02 203-2531-MF-ninety-C,02		11.five 19.3

MM Round Drifter rod
 

Size (mm)	Component No.	Excess weight approx (kg)
4000 4310	203-2540-03-C,02 203-2543-03-C,02	22. 24.8

MF Round Xihu (We EPT Lake) Dis. rod
 

Duration (mm)	Element No.	Excess weight approx (kg)
3050 3660	203-4731-MF-C,02 203-4737-MF-C,02	27. 32.

R/T38 (1^one/_two“)

MM Hex Extension rod
Rod area 35.8mm
 

Duration (mm)	Portion No. R38 thread	Portion No. T38 thread	Fat approx (kg)
1220 3050		235-571-C.02 235-571-C.02	8.four 18.7

MF Round Speedrod
 

Duration (mm)	Portion No. R38 thread	Portion No. T38 thread	Excess weight approx (kg)
915 1220 1525 1830 3050 3660 4270 4880 5530		235-4709-MF-C.02 235-4712-MF-C,02 235-4715-MF-C,02 235-4718-MF-C,02 235-4731-MF-C,02 235-4737-MF-C,02 235-4743-MF-C,02 235-4749-MF-C,02 235-4755-MF-C,02	eight.3 ten.nine thirteen.3 fifteen.8 25.5 30.5 35.4 forty one.nine forty six.9

MM Spherical Speedrod

Surface area hardened.

Duration (mm)	Portion No. R38 thread	Portion No. T38 thread	Weight approx (kg)
1830 2435 3050 3660 3965 4270	204-2718-SH,03 204-2724-SH,03 204-2731-SH,03 204-2737-SH,03	235-2731-SH,03 235-2737-SH,03 235-2740-SH,03 235-2743-SH,03	14.eight 19.five 24.3 30. 32.five 33.nine

Entirely carburized.

Length (mm)	Element No. R38 thread	Element No. T38 thread	Weight approx (kg)
280 1220 1525 1830 3050	204-2702-C.02	235-2712-C,02 235-2715-C,02 235-2718-C,02 235-2731-C,02	2. ten. 12.five 14.four 24.

MM Round Double Thread Extension Rod
 

Size (mm)	Portion No. R38 thread	Component No. T38 thread	Weight approx (kg)
3050 3660		235-2731-95-SH,03 235-2737-95-SH,03	23.eight thirty.

Drifter rod
For one particular rod drilling drifter rods can be employed.

MF Xihu (We EPT Lake) Dis. Speedrod
 

Length (mm)	Part No. T38 thread	Weight approx (kg)
1830 3050 3660	235-4918-MF-C,02 235-4931-MF-C,02 235-4937-MF-C,02	21.1 34.five forty one.three

Xihu (We EPT Lake) Dis. tube
 

Hole diameter (mm)	Tube diameter (mm)	Length(mm)	Element No.	Excess weight approx (kg)
sixty four sixty four 64 64 64 sixty four seventy six	56 fifty six 56 56 56 56 sixty four	1220 1525 1830 3050 3660 4920 3660	235-7012,10 235-7015,10 235-7018,ten 235-7031,ten 235-7037,ten 235-7049,ten 235-6937,ten	twelve.six 14. 17.four 28.3 32.eight forty seven.9 fifty one.

T45 (one^three/₄“)

MM Hex Extension rod
Rod section 42.6mm
 

Duration (mm)	Component No. Entirely carburized.	Component No. Floor hardened	Weight approx (kg)
3050 3660	236-571-C,02 236-571-C,02		25.6 thirty.eight

MM Round Extension Rod
 

Length (mm)	Component No. Entirely carburized.	Portion No. Floor hardened	Bodyweight approx (kg)
3050 3660 4270 6095		236-2931-SH,03 236-2937-SH,03 236-2943-SH,03 236-2961-SH,03	33.three 39.9 46.7 sixty eight.nine

MF Round Speedrod
 

Length (mm)	Element No. Totally carburized.	Portion No. Floor hardened	Weight approx (kg)
1525 1830 3050 3660 4270 6095	236-4915-MF-C,02 236-4918-MF-C,02 236-4931-MF-C,02 236-4937-MF-C,02 236-4943-MF-C,02 236-4961-MF-C,02		18.two 21.5 34.7 41.six 49. sixty nine.

MF Xihu (We EPT Lake) Dis. rod
 

Duration (mm)	Portion No.	Fat approx (kg)
3660	236-5137-MF-C,02	55.

Xihu (We EPT Lake) Dis. tube
 

Gap diameter (mm)	Tube diameter (mm)	Duration(mm)	Component No.	Fat approx (kg)
76 seventy six seventy six seventy six 89 89	64 sixty four 64 64 76 76	1220 1525 1830 3660 1830 3660	236-6912,ten 236-6915,ten 236-6918,10 236-6937,ten 236-6618,10 236-6637,ten	20. 21.six 25.four forty nine. forty. seventy seven.8

T51 (2″)

MM Spherical Extension rod
 

Duration (mm)	Portion No. Fully carburized.	Part No. Surface hardened	Fat approx (kg)
3660 6095		237-3137-SH,03 237-3161-SH,03	52.three 84.

MF Spherical Speedrod
 

Length (mm)	Element No. Completely carburized.	Part No. Area hardened	Bodyweight approx (kg)
1830 3660 4270 6095	237-5118-MF-C,02 237-5137-MF-C,02 237-5143-MF-C,02 237-5161-MF-C,02		27.five 51.eight sixty four. 85.six

Xihu (We EPT Lake) Dis. tube
 

Gap diameter (mm)	Tube diameter (mm)	Length(mm)	Element No.	Bodyweight approx (kg)
89 89 102	seventy six seventy six 87	1830 3660 3660	237-6618,ten 237-6637,10 237-6837,ten*	40. 79.1 80.

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 various branches. For far more information: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of authentic tools manufacturer’s (OEM) element figures or emblems , e.g. CASE® and John Deere® are for reference functions only and for indicating item use and compatibility. Our organization and the listed substitution areas contained herein are not sponsored, accredited, or made by the OEM.