High-Quality Hex22 Hex25 Hex32 Thread Fully Carburized Shank Rods Factory, Pricelist

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High-Quality Hex22 Hex25 Hex32 Thread Fully Carburized Shank Rods Factory, Pricelist

Product Details

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

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Product Description

Basic Information

Model NO.

Shank rods

Certification

ISO 9001:2000, ISO 9001:2008

Standard

Surface Treatment

Spray-Paint

Manufacturing

Forging

Material

Carbon Steel

Thread

Sr32

Machine Type

Drilling Tools

Color

Red, Black, Yellow, White

Material Quality

23crni3mo D6a

Specification

Extension Rods/Speed rods

Origin

China

Packaging & Delivery

Package Size

30.00cm * 30.00cm * 30.00cm

Gross Weight

5.000kg

Transport Package

Wooden Case

Production Capacity

500000PCS/Month

Product Description

Extension rods are manufactured using high-quality hollow drill steels. These rods are available in two primary shapes: Round type and Hexagonal type. The central hollow feature, known as the flushing hole, is essential for transmitting water or air during the drilling process.

Key Technical Details:

Steel Grades: Available as Male-Male Rods and MF Rods.
Threads: R22, R25, SR25, R28, SR28, R32, SR32, SR35, SR38, R38, T38, T45, T51, ST58, T60.
Rod Sizes: Hex 22mm, Hex 25mm, Hex 28mm, Hex 32mm, Hex 35mm; Diameter 39mm, 46mm, 52mm, 60mm.
Standard Lengths: Ranging from 0.4m to 6m (600mm to 6400mm).

Shank Rod Specifications

R22 7/8" ROPE THREAD (22mm) X 7/8" HEX (22mm), 4-1/4" SHANK (108mm)
ROD CROSS SECTION	LENGTH (L)		THREAD
-	mm	FT	Left	Right
HEX 22	255	10"	SHANK (108mm)	R22
HEX 22	1000	3' 3"	SHANK (108mm)	R22
HEX 22	1800	5' 11"	SHANK (108mm)	R22

R25 1" ROPE THREAD (25mm) X 7/8" HEX (22mm), 4-1/4" SHANK (108mm)
ROD CROSS SECTION	LENGTH (L)		THREAD
HEX 22	255	10"	SHANK (108mm)	R25
HEX 22	915	3'	SHANK (108mm)	R25
HEX 22	3050	10'	SHANK (108mm)	R25
HEX 22	4265	14'	SHANK (108mm)	R25

Frequently Asked Questions

1. What materials are used to manufacture these extension rods?

The extension rods are made from high-quality Carbon Steel (specifically 23crni3mo D6a) and hollow drill steels to ensure durability and performance in drilling operations.

2. What are the available shapes for the extension rods?

We provide extension rods in two primary cross-section shapes: Round type and Hexagonal type, depending on your drilling requirements.

3. What is the purpose of the hole in the middle of the rod?

The hollow hole is a flushing hole used for transmitting water or air during the drilling process to clear debris and cool the drill bit.

4. Which thread types are compatible with these rods?

The rods support a wide range of threads including R22, R25, R28, R32, T38, T45, T51, and ST58, making them versatile for various coupling and bit connections.

5. What lengths can be provided for extension rods?

Standard lengths range from 0.4 meters (400mm) up to 6.4 meters (6400mm), with common sizes available to fit most drilling machines.

6. How are the products packaged for international shipping?

Extension rods are typically packed in sturdy wooden cases or in bundles to ensure protection during transport.