Integral Drill Rods

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Maxdrill’s integral drill rods have the integral design of drill bits, drill rods and shank adapters. As it is long enough and is able to effectively reduce energy loss, the integral drill rod is suitable for underground mining and drilling small hole that is 24 to 44mm in diameter. The integral drill rod is usually used in air-leg and hand-held rock drills. When the rock is soft, using Maxdrill’ integral drill rods can speed up the drilling process. The integral drill rods have the advantages of reducing energy loss, improving drilling effect and efficiency.

Highlights

High spindle speed, with the utilization rate of the percussive force 18% to 25% higher than using separate drill bits;
Easy to remove the integral drill rod instead of removing the drill bit, which avoids breakage, cracking of drill bit and breakage of the conical end of drill rod;
The worn bit end of the integral drill rod can be re-used as the conical drill bit after polishing.

Basic information

Length: 400mm to 8000mm for various applications
Size of the end: Hex.25mm, Hex.22mm
Bit diameter: 30mm to 44mm
Package: in pallet or in bundles
Productivity: 20,000psc/month

Integral drill steels	Series	Dimensions L			Dimensions D		Part no
Integral drill steels	Series	mm	ft	in	mm	in	Part no
H22*108 mm(4 1/4")	11	800 1600 2400 3200 4000 4800	2 5 7 10 13 5	7 3 10 6 1 -	34 33 32 31 30 29	1 11/32 1 19/64 1 1/4 1 7/32 1 3/16 1 9/64	00220834 00221633 00222432 00223231 00224030 00224829
	12	800 1600 2400 3200 4000 4800	2 5 7 10 13 5	7 3 10 6 1 -	40 39 38 37 36 35	1 37/64 1 17/32 1 1/2 1 29/64 1 27/64 1 3/8	00220840 00221639 00222438 00223237 00224036 00224835
	13	400 800 1200 1600 2000	1 2 3 5 6	4 7 11 3 7	34 33 32 31 30	1 11/32 1 19/64 1 1/4 1 7/32 1 3/16	00220434 00220833 00221232 00221631 00222030
	16	600 1200 1800 2400	2 3 5 7	- 11 7 10	35 34 33 32	1 3/8 1 11/32 1 5/16 1 1/4	00220635 00221234 00221833 00222432
	17	600 1200 1800 2400	2 3 5 7	- 11 7 10	41 40 39 38	1 5/8 1 37/64 1 17/32 1 1/2	00220641 00221240 00221839 00222438