Mayhew Junior Drill Rod 3 1/2 Inch with Friction Welded for Water Well Drilling

• Customization: Available
• After-sales Service: Provided
• Warranty: Provided
• Model NO.: Mayhew Junior Drill Rod
• Certification: CE, ISO 9001:2000
• Standard: AISI, GOST
• Surface Treatment: Polishing
• Manufacturing Process: Casting
• Material: Carbon Steel
• Length: 1-10m
• Thickness: 5-20mm
• Thread Type: Customed or Standard
• Weight: Customed
• Transport Package: Bundle
• Specification: 114mm
• Trademark: JCDRILL
• Origin: China
• HS Code: 8430419000
• Production Capacity: 50000 PCS/Year

Product Description

Product Description

Mayhew Junior Threads Mayhew Junior Drill Rods for water well drilling

Drill pipe is designed to allow the introduction of a drilling fluid or air to the bit and to provide the mechanism to transfer energy developed by the drill motor to the bit. The correct selection of drill pipe, in most instances, determine how successful you are and what options you have as far as depth, bore hole size, and push and pull down ability. The selection of drill pipe is one of the most important decisions mainly due to cost and rig capability. Below is a breakdown of what the most popular drill pipes are and their benefits. Specification: roduct: Mayhew junior Friction Welded drill rods, dth drill pipe,

Size:3 1/2(89mm)

Steel grade: E75 X95 G105 S135 3, Tool connection: 2-3/8" APl Reg pin & box,2-7/8"1F,3-1/2"F, 4"FH,mayhew jr 2 3/8......

Others Mayhew Junior Rods spec:

 

 

 

Specification

ITEM	Diameter		Length	Wall thickness	Thread	Spanner
	inch	mm	mm	mm		mm
1	3	76	1000-9000	5.00-8.00	API 2 3/8" REG	57/64.5
2	3 1/2	89	1000-12192	6.00-8.00	API 2 3/8" REG	70/64
3	4	102	1000-12192	8.00-10.00	API 2 7/8" REG	76/89
4	4 1/2	114	1500-12192	6.00-20.00	API 3 1/2" REG	89/95
5	5	127	1500-12192	10.00-20.00	API 3 1/2" REG	89
6	5 1/2	140	1500-12192	10.00-25.4	API 4 1/2" REG or 4"FH	114
7	6	152	3000-12192	12.00-25.4	API 4 1/2" REG or 4"IF	--
8	6 1/4	159	3000-12192	12.00-25.4	API 4 1/2" REG or 4"IF	127
9	7	178	3000-12192	14.00-25.4	5 1/2"FH/REG	127
10	7 5/8	194	3000-12192	14.00-25.4	6 5/8"REG	152
11	8	203	3000-12192	14.00-25.4	6 5/8"REG	152
12	8 5/8	219	3000-12192	14.00-25.4	6 5/8"REG	152
13	9 1/4	235	3000-12192	14.00-25.4	customized	152
14	9 5/8	245	3000-12192	14.00-25.4	customized	152
15	10	254	3000-12192	14.00-25.4	customized	152
16	10 1/4	273	3000-12192	14.00-25.4	customized	152
Any special size against request