Sigma Z

Product Description

Our latest and most aggressive grinding wheel is now available. Sigma Z, which blends rapid stock removal and operator control is engineered for improved productivity.

Sigma Z removes an average of 24.06 grams of 304 Stainless Steel weld per minute, up to 15% more than other leading wheels. This new wheel is also precision-balanced for a noticeably smooth and quiet operation, providing exceptional metal removal rate along with chatter-free grinding.

Metals

Stainless steel
Steel
Galvanized steel
Hard face
Titanium
Nickel alloys
Superalloys

Features

High performance premium grain
Extremely fast and aggressive stock removal
Grinds smooth and quiet, minimal chatter
Long life with high productivity
Minimizes operator fatigue
Cool grinding
Won’t discolor or warp stainless

Applications

Tank fabrication
Petrochemical refineries & power plant maintenance
Welding/metal fabrication
Shipbuilding
Foundries
Rapid stock removal on heavy weldments
Grinding slag from castings
Beveling
Grinding hard-face on coal crushers, heavy equipment
Grinding scale from cold rolled steel

Specifications

Grain Type

Premium Grain

Grain Size

Tips

Follow Sigma Z with Max Flex 54 grit to achieve a #4 finish

Size	Spec	Part Number	Max. RPM
5 x 1/4 x 5/8-11	24	730041	12,200
6 x 1/4 x 7/8	24	730032	10,100
7 x 1/4 x 7/8	24	730033	8,500
7 x 1/4 x 5/8-11	24	730043	8,500
4-1/2 x 1/4 x 7/8	24	730030	13,300
4-1/2 x 1/4 x 5/8-11	24	730040	13,300
5 x 1/4 x 7/8	24	730031	12,200
6 x 1/4 x 5/8-11	24	730042	10,100