Common Specifications

MAMMOTH TECHNOLOGIES

All designs, specifications and components of the equipment described herein are subject to change at the manufacturer’s discretion at any time without prior notice.

Outside

Diameter

(in)

Outside Diameter

(mm)

Top Sub

Pin: API

Box: BECO/API

Bottom Sub

Pin: API/BECO

Box: API

Bit thread sizes to suit machine

Recommended

Connection

4½”

114.0mm

Requirements from customer

Drill manufacturer

Drill model

Drill rod diameter

Shoulder to shoulder length

Actual thread size

Spanner flat position

 

The Mammoth Top Sub | Bottom Sub can be designed to fit any OEM machine application.

The Mammoth Top Sub | Bottom Sub is not limited to any specific range only.

3½” API & 3½” BECO

5”

127.0mm

3½” BECO

5”

127.0mm

3½” BECO

5½”

139.7mm

3½” BECO

5½”

139.7mm

3½” BECO

6”

152.4mm

4” BECO

6¼”

158.8mm

4” BECO

6¼”

158.8mm

4” BECO

6¼”

158.8mm

4” BECO

6⅝”

168.3mm

4½” BECO

7”

177.8mm

4½” BECO

7”

177.8mm

4½” BECO

7”

177.8mm

5¼” BECO

7½”

190.5mm

5¼” BECO

7⅝”

193.7mm

5¼” BECO

7⅝”

193.7mm

5¼” BECO

7⅝”

193.7mm

5¼” BECO

8⅝”

219.1mm

6” BECO

8⅝”

219.1mm

6” BECO

8⅝”

219.1mm

6” BECO

10¾”

273.1mm

8” BECO

10¾”

273.1mm

8” BECO

 

Mammoth Top Subs | Bottom Subs can be manufactured to customer specifications and thread requirements.