China Wholesale Tools H22*108 Pneumatic Tools Tapered Mining Drill Rod with Rock Drill Bits

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China Wholesale Tools H22*108 Pneumatic Tools Tapered Mining Drill Rod with Rock Drill Bits

Product Details

Customization:	Available
After-sales Service:	Repair or Replacement
Warranty:	6 Months

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Product Description

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Basic Specifications

Model NO.

Tapered drill rod

Certification

ISO 9001:2000, ISO 9001:2008

Standard

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Carbon Steel

Degree

7 / 11 / 12

Machine Type

Drilling Tools

Color

Red, Black, Yellow, White

Material Quality

95crmo, 55simnmo, 40simncrnimo, 23crni3mo, D6a

Length

3 Pies

Transport Package

Wooden Case

Specification

Hex22mm, Hex25mm

Origin

China

HS Code

82071990

Production Capacity

500,000 PCS/Month

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Packaging & Delivery

Package Size

30.00cm * 30.00cm * 30.00cm

Package Gross Weight

5.000kg

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Product Description

Taper drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other contractions. It works with taper drill bits and has different length for various applications. Our taper drill rods come in a variety of taper angles. Generally, light duty rock drills usually use 7° taper or smaller, while heavy duty rock drills mainly use 11° and 12° taper angles.

Steel Grade: 95CrMo (equivalent to SANDBAR20 or C253), Z708, Sanbar23, 55SiMnMo
Shank Size: Hex 22mm x 108mm, Hex 22mm x 159mm, Hex 22mm x 80mm, Hex 25mm x 108mm, Hex 25mm x 159mm
Taper Degrees: 4°46', 6°, 7°, 11°, 12° etc.
Length Range: 0.4m - 10m
Standard Shank: Hex. 22 mm (7/8") x 108 mm (4 1/4"). Rod hex. 22 mm (7/8). Flushing hole diameter 6.7 mm

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Technical Parameters

ROD CROSS SECTION	Length (mm / foot-inch)		Weight approx (kg)
4°46' Taper Angle
22H	800	2'7½"	2.8
22H	1600	5'3"	5.3
22H	2000	6'6¾"	6.5
22H	3200	10'6"	10.2
7° Taper Angle
22H	400	1'3¾"	1.6
22H	800	2'7½"	2.8
22H	1830	6'	6.0
22H	3050	10'	9.7
22H	4000	13'1½"	12.6
11° Taper Angle
22H	800	2'7½"	2.8
22H	1525	5'	5.0
22H	2435	8'	7.8
22H	4800	15'9"	15.1
12° Taper Angle
22H	610	2'	2.2
22H	1220	4'	4.1
22H	2000	6'6¾"	6.5
22H	3965	13'	12.5

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Frequently Asked Questions

What are the primary applications of tapered drill rods?

Tapered drill rods are primarily used for rock drilling, creating blasting holes, and other drilling operations in quarries, coal mines, and various construction projects.

How do I choose the correct taper angle for my drill?

Generally, light-duty rock drills use a 7° taper or smaller, while heavy-duty rock drills typically require 11° or 12° taper angles. The rod and bit must have the same degree for proper operation.

What materials are used to manufacture these rods?

The rods are made from high-quality steel grades including 95CrMo (equivalent to SANDBAR20), 55SiMnMo, and 23CrNi3Mo, ensuring durability and performance in tough conditions.

What are the standard shank sizes available?

Common shank configurations include Hex 22mm x 108mm, Hex 22mm x 159mm, and Hex 25mm in various lengths, fitting most hand-held pneumatic drills.

What is the production capacity and packaging?

We have a production capacity of up to 500,000 pieces per month. Products are securely packed in wooden cases or bundles for safe international transport.

Can you provide customized lengths for specific projects?

Yes, our tapered rods are available in a full range of lengths from 0.4 meters up to 10 meters to meet diverse drilling application requirements.