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Home > Manufacturing & Processing Machinery > Mining Machinery > Mining Machinery Parts > 22" Roller Hole Opener ,HDD Reamer Best-selling in China

22" Roller Hole Opener ,HDD Reamer Best-selling in China

US$ 10 - 100,000,000 MOQ: 5 Pieces

Key Specifications

Get Latest Price

Place of Origin:

Henan, China

Brand Name:

Model Number:

Types

Contact Supplier Request Quote Chat Now

Henan Zhongmei Drill Tool Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

shanghai tianjin etc

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Place of Origin Henan, China

Brand Name ZM

Model Number Types

Type Drill Bit

Machine Type Drilling Tool

Certification Other, ISO9001

Material Carbide

Processing Type Forging

Use Other, vertical drilling

Specifications

10"- 48" holeopener, underreamer, HDD reamer is our specialized product, efficiency for horizental directional drilling

10',12",14",16",18"20",22'',24''26'',28'' holeopener, roller hole opener, HDD reamer is our specialized product, efficiency for horizental directional drilling

Product Name: Roller hole opener

size:10",12",14",16",18",20",22'',24''26'',28'',30",36" holeopener

Material: 4145H

Chemical Analysis &Physical

C	Cr	Mo	Si	Mn	P	S	Ni
0.45	1.10	0.26	0.20	1.10	0.017	0.006

Mechanical Testing

Yield

strength

RP0.2 N/mm2

Tensile strength

Rm N/mm2

Elongation

Section

Shrinkage

Z %

Impact

Akv J

Hardness

HB 10/3000/30

915

1030

16.5

316

SIZES

Dia of the hole mm(inch)	Quatity of cones	Min Dia of the hole mm(inch)	Fishing neck				API		Water hole mm(inch)		Total length mm(inch)	NW (kg) approx.
			L mm(inch)	D mm(inch)	Upper Thread	Down thread
311(12-1/4)	3	246(8-1/2)	457.2(18)	203(8)	6-5/8REG	4-1/2REG		38.1(1-1/2)		1524(60)		360
444.5(17-1/2)	3	266.7(10-1/2)	457.2(18)	241.3(9-1/2)	7-5/8H90	7-5/8REG		57.2(2-1/4)		1752(69)		550
660.4(26)	3	444.5(17-1/2)	457.2(18)	241.3(9-1/2)	7-5/8REG	7-5/8REG		76.2(3)		1753(69)		900
914.4(36)		609.6(24)	609.6(24)	241.3(9-1/2)	7-5/8REG	7-5/8REG		76.2(3)		1905(75)		1000
914.4(36)	4	457.2(18)	457.2(18)	254(10)	7-5/8REG	7-5/8REG		88.9(3-1/2)		2642(104)		1540