SUPERBOLT® Shaft Tensioners

for tapered shaft ends

Technical Data Material: alloyed steel Temperatures: –10 up to +250 °C max. values valid for permanent bolting applications, incl. reaction forces knurled nut body washer centered on nut body  Data sheet	General Description SUPERBOLT® Shaft Tensioners of the SM series are used to replace standard thin nuts, as for example supplied by electric motor manufacturers. Compared to those, they are easy to tighten and loosen. Used on tapered shafts to DIN 1448, SUPERBOLT® Shaft Tensioners guarantee a proper connection and safeguard of the key. They are designed to match the hub stress capacity of brake wheels and pulleys.
	Applications: Fastening brake wheels, couplings and pulleys to tapered shafts as on mill motors, crane motors and gears.	Available upon request: Inch threads (UN and Whit) Other sizes and specials Special series for US mill motors Anti-corrosion protection Special materials Captively mounted jackbolts
SUPERBOLT® products are protected by one or several patents (US patents: RE 33490; 4,846,614; 5,083,889; 6,199,453; 6,381,827; 6,112,396; 6,263,764) and corresponding foreign patents, other patents pending. SUPERBOLT® products are also covered by trademark rights.