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China Mayhew Junior Drill Rods with 55mm Spanner Flats and 4mm Wall Thickness for Water Well Drilling Applications for sale

Mayhew Junior Drill Rods with 55mm Spanner Flats and 4mm Wall Thickness for Water Well Drilling Applications

Price Negotiable
Price: Negotiate
MOQ: Negotiable
Delivery Time: Negotiable
Brand: ROSCHEN
Product Description
Mayhew Junior Drill Rods with 55mm Spanner Flats
Professional-grade drill rods engineered for water well drilling applications, featuring 55mm spanner flats at each end for secure tool engagement and efficient operation.
Key Specifications
Spanner Flats: 55mm at each end
Wall Thickness: 4mm standard
Connection Type: Mayhew Junior Threads
Primary Application: Water Well Drilling
Manufacturing Excellence
  • Constructed from seamless tubing for superior strength and durability
  • Hardened and tempered alloy steel tool joints for maximum wear resistance
  • Pre-machined and heat treated tool joints ensure dimensional accuracy
  • Threads gauged to international standards for universal interchangeability
Functional Design
Drill pipe facilitates the introduction of drilling fluid or air to the bit while transferring energy from the drill motor to the cutting mechanism.
Critical Selection Factor: Proper drill pipe selection determines operational success, affecting achievable depth, bore hole size, and push/pull down capabilities. This decision significantly impacts project cost and rig performance.
Technical Specifications Table
Description Pipe OD Pipe Wall Connection OD Connection ID Length(ft)
2-3/8 IF Flush 3 1/2 0.375 3 1/2 1 3/4 20
2-3/8 IF 2 3/8 .280/254 3 1/2 1 3/4 10, 15, 20
2-3/8 FEDP 2 3/8 .280/254 3 1/8 1 1/2 10, 15, 20
2-3/8 Mayhew Jr 2 3/8 .280/254 3 1 1/2 10, 15, 20
2-3/8 Mayhew Jr 2 3/8 0.19 2 3/4 1 1/2 5, 10
2-7/8 Mayhew Jr Pipe Flush 2 7/8 0.362 2 7/8 1 1/2 10, 15, 20
Mayhew Reg. Flush 3 1/2 0.375 3 1/2 1 1/2 20
Mayhew Reg. 2 3/8 .280/254 3 1/2 or 3 1/4 1 1/2 10, 15, 20
2-7/8 IF 4 1/2 0.337 4 1/8 2 1/2 10, 15, 20
3-1/2 IF 5 1/2 0.362 4 3/4 2 11/16 10, 15, 20
3-1/2 API Reg Flush 4 1/2 0.337 4 1/2 1 1/2 10, 15, 20
4-1/2 API Reg Flush 5 1/2 .362/.478 5 1/2 2 1/4 10, 15, 20
AWJ/AW w/Flats 1 3/4 .188/.250 1 3/4 5/8 5,10
NWJ/NW w/Flats 2 5/8 .188/.250 2 5/8 1-1/4 or 1-3/8 5,10
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Company ROSCHEN GROUP
Location 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person Bill, George, Michael

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