Hollow Drill Rod Steel Bar Hex Shank 22/25X108mm

• Customization: Available
• Standard: ISO9001
• Length: 0.4-4.8m
• Model NO.: H19 H22 H25
• Usage: Coal Mining, Ore Mining, Rock Drilling
• Material: High Manganese Steel
• Color: Black
• MOQ: 10 PCS Each Size
• Steel Grade: G3
• Steel Material: 55simnmo or 95crmo Steel
• Delivery: Within 25days
• Condition: 100% New
• Processing: Forging
• After Sale Service: Yes
• OEM/ODM: Yes
• Transport Package: Plywood
• Specification: Hex19/Hex22/Hex25
• Trademark: Sansung
• Origin: China
• HS Code: 72288000
• Production Capacity: 10000m/Month

Product Description

Application of Integral Drill Rods: 
The integral drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other constructions. 
Features of Integral drill rods:
Integral Drill Rod is used by a hand-held drill machine in underground mining for small hole drilling, equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc.
It can reduces the expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling bore hole diameter from 28mm to 41mm usually.
According to different application, different lengths are available from 400mm to 4800mm usually.
Regarding Integral drill steels, the quality of a steel material and a tungsten carbide is very important to get good drilling performance.
 
Integral Drill Rods Specification:

1. Head diameter: 28mm to 41mm
2. Shank size: hex19/hex22/hex25*108mm/159mm
3. Length: 400mm to 4800mm

 

Integral Drill Steel	Series	D		L
		mm	inch	mm	ft
Shank: Hex.22mm(7/8") or Hex.25mm(1")*108 mm	11	34	1 11/32	800	2
		33	1  19/64	1600	5
		32	1  1/4	2400	7
		31	1  7/32	3200	10
		30	1  3/16	4000	13
		29	1  9/64	4800	5
	12	40	1 37/64	800	2
		39	1  17/32	1600	5
		38	1  1/2	2400	7
		37	1  29/64	3200	10
		36	1  27/64	4000	13
		35	1  3/8	4800	5
	13	34	1 11/32	400	1
		33	1  19/64	800	2
		32	1  1/4	1200	3
		31	1  7/32	1600	5
		30	1  3/16	2000	6
	16	35	1 3/8	600	2
		34	1  11/32	1200	3
		33	1  5/16	1800	5
		32	1  1/4	2400	7
	17	41	1 5/8	600	2
		40	1  37/64	1200	3
		39	1  17/32	1800	5
		38	1  1/2	2400	7