Condition	New	Material	Carbon steel
Applicable Industries	Construction works , Energy & Mining	Processing Type	Forging
Video outgoing-inspection	Provided	Use	Ore Mining
Machinery Test Report	Provided	Product name	drill rod
Marketing Type	Hot Product 2022	Application	tunneling, mining
Brand Name	JCDRILL	Usage	top hammer drilling
Type	drill rod	Name	tunneling drill rod
Machine Type	Drilling Equipment	Word	mining drill rod

R28
Drill Bit	Bit Dia.		NO x Button x Dia.			Flushing Hole		Weight
Drill Bit	mm	inch	Front	Gauge	Angle	Front	Side	（KG）
	Spherical Buttons
	37	1 29/64	2x7	5x9	30°	1	1	0.5
	38	1 1/2	2x8	4x9	30°	1	2	0.6
	38	1 1/2	2x7	5x9	30°	1	1	0.6
	41	1 5/8	2x8	5x9	35°	1	1	0.7
	43	1 2/3	2x9	5x9	30°	1	2	0.8
	45	1 3/4	2x9	5x10	30°	1	2	0.9
	45	1 3/4	3x8	6x9	30°	1	3	0.9
	Parabolic Buttons
	37	1 4/9	2x7	5x9	30°	1	1	0.5
	38	1 1/2	2x8	4x9	30°	1	2	0.6
	38	1 1/2	2x7	5x9	30°	1	1	0.6
	41	1 5/8	2x8	5x9	35°	1	1	0.7
	43	1 2/3	2x9	5x9	35°	1	2	0.8
	45	1 3/4	2x9	5x10	30°	1	2	0.9
	45	1 3/4	3x8	6x9	35°	1	3	0.9
	48	1 7/8	2x9	5x11	30°	1	2	1.0
	48	1 7/8	3x8	6x9	35°	1	3	1.0
	38	1 1/2	14x8			1	2	0.6
	41	1 5/8	14x8			1	4	0.7
	43	1 2/3	14x8			1	4	0.7
	45	1 3/4	14x8			1	4	0.9
	51	2	14x8			1	4	1.1
Drill Roll				Bit Dia.		Dimaeter		Weight
Drill Roll				mm	inch	mm	inch	（KG）
				2400	7'10"	28	1 1/8	12.2
				2750	9'	28	1 1/8	14.4
				3700	12'11/2"	28	1 1/8	18.9
				4000	13'1/8"	28	1 1/8	20.4
				4310	14'11/2"	28	1 1/8	22.0
				4920	16'11/2"	28	1 1/8	25.3
				2900	9'61/8"	32	1 1/4	18.8
				3090	10'11/2"	32	1 1/4	20.0
				3700	12'11/2"	32	1 1/4	24.0
				4310	14'11/2"	32	1 1/4	27.9
				3090	10'11/2"	32	1 1/4	20.0
				3700	12'11/2"	32	1 1/4	23.5


				3090	10'11/2"	32	1 1/4	20.0
				3700	12'11/2"	32	1 1/4	24.0
				4000	13'13/8"	32	1 1/4	25.9
				4310	14'11/2"	32	1 1/4	27.9
				3050	10'	28	1 1/8	15.0



				3050	10'	28	1 1/8	15.0



Coupling				Bit Dia.		Dimaeter		Weight
Coupling				mm	inch	mm	inch	（KG）
				150	5 7/8	44	1 3/4	1.0
				150	5 7/8	40	1 37/64	0.9
				170	6 3/4	55	2 5/32	2.0
				160	6 5/16	45	1 3/4	1.2
				160	6 5/16	56	1 13/64	2.5

Minimum Order Quantity	N/A
Price
Packaging Details	Standard Export Delivery Package
Delivery Time	7days
Payment Terms	T/T
Supply Ability	Based on Detailed Order

R28 Flushing Hole 9.6mm R28 Drifter Rod

R32-Hex 32-R28 Flushing Hole 9.6mm R28 Drifter Rod Description Drill rod using R28 thread system. With R32 thread on one shank end. Suited for short hole drilling operations. High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance Type: Hex. Drifter Rod, Extension Rod, Speed Rod, MF-Rod Color: Based on Customer requirements Material: Tungsten carbide and high strength alloy steel Processing: CNC milling and proprietary heat treatment process • R28 thread system • Suitable for small hole range Color: Based on Customer requirements Material: Tungsten carbide and high strength alloy steel Processing: CNC milling and proprietary heat treatment process Type: R28 Drifter Rod R32-Hex 32-R28 Flushing Hole 9.6 mm With Slimmed Shank End For Female Shank Applications • Underground Mining • Tunneling Competitive Advantage High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance Specification