DCDMA W Thread & WT Thread Pipe Casing for Core Drilling - 146mm to 46mm Sizes with 4 TPI Threads

Industry-standard DCDMA W thread and premium WT thread casing solutions for exploration core drilling applications.

Designed for single-use applications or situations where casing is left in the hole. Manufactured from DCDMA C80 tubing with straight thread design for universal compatibility.

• Parallel wall tubing compatible with Q/E wireline in-hole tools
• Standard DCDMA W sizes allow nesting with other W casing
• Double-butt joint provides superior strength in driving and jarring operations

Premium tapered thread design engineered for repeated use and difficult drilling conditions, featuring enhanced strength and easier make/break characteristics.

• Compatible with HD rod threads for versatile applications
• Tapered joint with fewer threads per inch reduces wear and labor costs
• Double-butt tapered joint and heavy duty buttress thread form provide greater torsion and pullback strength
• 40% load efficiency allows retrieval from difficult ground conditions
• Wider thread spacing facilitates easier cleaning for reuse situations

AW, BW, NW, HW, PW, SW, ZW, BWT, NWT, HWT, PWT, SWT

146mm, 131mm, 116mm, 101mm, 86mm, 76mm, 66mm, 56mm & 46mm

3.0m, 1.5m, 1.0m & 0.5m. Custom lengths available upon request.

All casing tubes feature right-hand threads. Left-hand threads can be manufactured upon request.