Mining Rock Drill 11 Degree Tapered Drill Rod Steel Rod Small Hole Rock Drilling Quarry

• Length: 1600mm
• Material: 55simnmo
• Model Number: H25*108mm 11 Degree Shank Taper Rods
• Type: Drill Rod
• Machine Type: Drilling Tool
• Shank Type: H25*108mm
• Model NO.: Tapered drill rod
• Degree: 11
• Materials: 40si
• Transport Package: Wooden Carton
• Trademark: PRODRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 10000/Month

Product Description

Mining Rock Drill 11 Degree Tapered Drill Rod Steel Rod Small Hole Rock Drilling Quarry

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 s
triking face position in the rock drill, and a tapered bit end. Tapered steel lengths-available from 0.6 m 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 our model no. PD-Y58 crawler hydraulic rock drill. Also for Y6, Y10, Y24, YT24,
Mobile rock drill pneumatic and hydraulic.

Shank Style	Length		Tapered Angle
	Mm	foot/inch	4 degree 7 degree 11 degree 12 degree
Hex19 × 108mm	400 ~ 4,000	1' 4" ~ 13' 1"
Hex22 × 108mm	400 ~ 9,600	1' 4" ~ 31' 6"
Hex25 × 108mm	600 ~ 6,400	1' 11 5/8" ~ 21'
Hex25 ×159mm	800 ~ 6,400	2' 7" ~ 21'