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Economill

Simple high-quality mill

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Drillstar Economill is a low-cost mill, ideal for milling tubular equipment. It will also shave off cement in drill pipes and tubings or mill bridge plugs and retainers.

The Economill can be air freighted at low cost for urgent jobs.

Made with a standard rock-bit connection, it can be easily adapted to drill stem stabilizers or used inside a skirt to mill fish heads.


These downhole tools can be hardfaced with your choice of TOPLOY (tungsten carbide grains) or cutting inserts : TOPMILL (square) or SWORDFISH (shaped). Inserts enable better ROP and tool life.

All mills can be hardfaced using TOPLOY S : excellent behaviour thanks to its matrix specially designed to release worn grains. Inserts enable better ROP and tool life, while TOPLOY backing significantly improves the hardfacing resistance to downhole shocks. Two standard types of inserts are available : TOPMILL square inserts, or SWORDFISH® shaped inserts. Custom inserts are available on request.

Drillstar cutting inserts are made of premium cutting grade tungsten carbide, and can replace TOPLOY on most milling tools. They enable you to mill faster and longer, while reducing the necessary weight on bit.

These large, square-shaped tungsten carbide inserts are widely used today for all milling applications.

These innovative inserts combine the advantages of both square and round-shaped models (exclusivity from Cutting & Wear).

Standard dimensions

Dressed
OD
Top Connection
API Regular
Overall
Length
Weight
(lbs)
3¼" - 4⅜"2⅜"7⅝"17
4½" - 5⅜"2⅞"8⅝"26
5½" - 7⅜"3½"9"40
7½" - 8 3/4"4½"11½"76
10¼" - 12¼"6⅝"16½"125
15" - 17½"7⅝"20"175
19" - 26"7⅝"25"230

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Tel : +33 (0) 559 130 100