Hex22*108 Tapered Drill Steel Rod for Small Hole Drilling

• Length: 800mm--6000mm
• Usage: Small Hole Drilling
• Material: High Manganese Steel
• Brand: Prodrill
• Color: Red, Black, Yellow
• Shank Type: Hex22, Hex19, Hex25
• Model NO.: hex22*108
• Degree: 7.11.12
• Useage: for Small Hole Drilling
• Quality: High Quality
• Price: Good Price
• Conditon: 100% New
• Transport Package: Wood Package
• Specification: SGS, CE
• Trademark: PRODRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 10000pec/Months

Product Description

Taper Drill Rods
Tapered drill rod,another name called taper rod, tapered drill steels, This provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengths- available from 0.6m to 3.6 m in length-are measured from the collar to the bit end. 

Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm,  25 mmX159 mm  6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity. 



For drilling medium-hard to hard and abrasive rock formations,Taper angles of 11 and 12-degrees are 
normally used on modern drill rigs, like YT28B, YT29A, Y24, YT24, Mobile rock drill pneumatic and hydraulic. 

For low impact rock drills and softer rock formations, a narrow tape range of 7 degrees is used, such as 
Indian, Saudi's granite and marble quarry. 
A comprehensive range of taper button bits, cross bits and chisel bits with 6, 7, 11, 12 degreetaper.
 

Product Name:	tapered rod
Types	Tapered drill rods, Integral drill rods, Plug hole rods
Application::	Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
Material:	High quality carbide and high quality steel
MOQ:	No requirement for testing and trial order
We can produce as your request of carbide size, different length of drill rods.
Types of drill rods	Specifications	Length            (mm)	Shank	Weight (kg)
Tapered drill rods	Taper Angle: 4, 6, 7, 11, 12 degree	400mm to 8000mm	Hex22mm*108mm Hex25mm*159mm Hex19mm*108mm	1.7 - 24.9
Integral drill steel	Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm	400mm to 4800mm		3 - 15.4
Plug hole rods	Chisel bit diameter: 17mm, 20mm, 22mm	150mm to 710mm		0.6 - 2.9