Hexagonal Hollow Steel Drill Rod 108mm × 22mm for Anchoring Drilling - 95CrMo Alloy Construction

Price Negotiable

Price: Negotiate

MOQ: 1 ton

Delivery Time: Negotiable

Brand: ROSCHEN

Product Description

Hexagonal Hollow Steel Drill Rod Overview

High-performance hollow hexagonal drill steel designed for anchoring and rock drilling applications. Manufactured from premium 95CrMo alloy steel for exceptional durability and drilling efficiency.

Product Specifications

Standard Dimensions

Shank Sizes: 82.5mm × 22mm, 108mm × 22mm, 108mm × 25mm, 159mm × 25mm

Length Range: 400mm to 6400mm (1'4" - 21')

Head Diameters: 27mm to 40mm

Available Options

Hexagonal Diameters: 22mm, 25mm, 28mm, 32mm, 38mm

Standard Lengths: 800mm, 1600mm, 2400mm, 3200mm

Custom Lengths: Available according to customer requirements

Technical Advantages

High fatigue strength and exceptional toughness
Superior resistance to wear and permanent distortion
Advanced industrial heat treatment process
Uniform straightness eliminates need for straightening
Reduces impact energy expense while improving drilling speed
Suitable for drilling bore holes from 30mm to 41mm diameter

Material Composition

Steel Grade: 95CrMo (Equivalent to SANDBAR 20 or C253)

Element	Composition (%)
Carbon (C)	0.92-1.03
Silicon (Si)	0.25-0.45
Manganese (Mn)	0.25-0.45
Chromium (Cr)	0.80-1.20
Nickel (Ni)	≤ 0.25
Molybdenum (Mo)	0.20-0.30
Sulfur/Phosphorus (S,P)	≤ 0.025
Copper (Cu)	≤ 0.30

Product Range Comparison

Type	Specifications	Length (mm)	Shank	Weight (kg)
Tapered Drill Rods	Taper Angle: 4, 6, 7, 11, 12 degree	400-8000	Hex22×108mm, Hex25×159mm, Hex19×108mm	1.7 - 24.9
Integral Drill Steel	Bit diameter: 26-42mm	400-4800	-	3 - 15.4
Plug Hole Rods	Chisel bit diameter: 17, 20, 22mm	150-710	-	0.6 - 2.9