top hammer drill rods,drill rods,drilling rods,thread drilling rod

Top Hammer Drill Rods

Applications:Drifting,tunneling,bench,production

Round Connections:38mm,45mm,51mm

Rod Type:Difter rod,extension rods,speed rod

Hex Connections:H22,R25,H25,H28,H32,H35

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Normal Connections and Length K.R.D. Limited Provides

Drifter rods R32-Hex.25-R25-Length(2100mm-3700mm)
Extension rods R25-Hex.25-R25-Length(915mm-3050mm)
Speed rods R25-Hex.25-R25-Length(610mm-1220mm)
Drifter rods R32-Hex.28-R28-Length(2400mm-4920mm)
Extension rods R28-Hex.28-R28-Length(3050mm)
Speed rods R28-Hex.28-R28-Length(3050mm)
Drifter rods R38-Hex.32-R28-Length(2900mm-4310mm)
Drifter rods R32-Hex.32-R28-Length(3090mm-4310mm)
Drifter rods R38/T38-Hex.32-R32-Length(2400mm-5530mm)
Drifter rods R38/T38-Hex.35-R32-Length(3090mm-6100mm)
Speed rods T38-Hex.35-R32-Length(3700mm-6400mm)

R32 thread:
Extension rods, R32-Round32-R32,length 915mm/1000mm/1220mm/1830mm/2435mm/3050mm/3660mm
M/F rods,R32-Round32-R32, length 915mm/1220mm/1525mm/1830mm/2435mm/3050mm/3660mm
Guide speed rods,R32-Round39-R32,length 3050mm/3660mm
Guide tube,R32-Round46-R32, length 1220mm/1525mm/1830mm/3050mm
T38 thread:
Extension rods,T38-Round39-T38,length 1220mm/1525mm/1830mm/2435mm/3050mm/3660mm/3965mm/4270mm/4880mm/
5530mm/6095mm
Double thread extension rods,T38-Round39-T38, length 3050mm/3660mm
M/F rods,T38-Round39-T38, length 915mm/1220mm/1525mm/1830mm/3050mm/3660mm/4270mm/4880mm/5530mm/
6095mm
Guide speed rods,T38-Round46-T38,length 1830mm/3050mm/3660mm/4270mm/4880mm/5530mm/6095mm
Guide tube,T38-Round56-T38,length 1220mm/1525mm/1830mm/3050mm/3660mm/4920mm
Hex extension rods,T38-Hex32-T38, length 1220mm/1830mm/2435mm/3050mm/3660mm
T45 thread:
Extension rods,T45-Round46-T45, length 1830mm/2435mm/3050mm/3660mm/4270mm/5530mm/6095mm
M/F rods,T45-Round46-T45, length 1525mm/1830mm/3050mm/3660mm/4270mm/5530mm/6095mm
Guide speed rods,T45-Round52-T45, length 3050mm/3660mm/4270mm/5530mm/6095mm
Guide tube: T45-Round64-T45, length 1220mm/1525mm/1830mm/3050mm/3660mm
Guide tube: T45-Round76-T45, length 1830mm/3660mm
T51 thread:
Extension rods,T51-Round52-T51,length 3050mm/3660mm/4270mm/4880mm/5530mm/6095mm
M/F rods,T51-Round52-T51,length 1525mm/1830mm/3050mm/3660mm/4270mm/4880mm/5530mm/6095mm
Guide rods, T51-Round76-T51, length 1830mm/3660mm
Guide tube, T51-Round87-T51, length 3660mm

Threads/Integrals	Diameter(inch)	Hole Diameter(mm)
Drifting and Tunneling Tools
R25	1’’	33-89
R28	1 1/8’’	38-89
R32	1 1/4’’	43-127
R35	1 3/8’’	48-127
R35 Extra	1 3/8’’	54
Long-hole Drilling Tools
R32	1 1/4’’	51-64
T35	1 3/8’’	54-57
T38	1 1/2’’	64-76
T45	1 3/4’’	70-102
T51	2	89-127
T45 Tube	1 3/4’’	76
ST58 Tube	2 1/4’’	89-152
ST68 Tube	2 3/4’’	102-152
Small-hole Drilling Tools
H19 Integral	3/4’’	23-29
H22 Integral	7/8’’	25-41
Reaming tools	-	64-89
H22 Tapered 12°	-	26-38
H22 Tapered 11°	-	32-40
H22 Tapered 7°	-	32-38
R22	7/8''	38
R23	29/32’’	33-41
R25	1''	35-45
Bench Drilling System
R32	1 1/4’’	51-64
T35	1 3/8’’	54-57
T38	1 1/2’'	64-76
T45	1 3/4''	70-102
T51	2’’	89-127
GT60	-	92-152