GYST Impact Stud Tightener 1/2″ Square Drive

Engineered for speed and precision, our Stud Tighteners are the professional choice for high-torque assembly and engine maintenance. Designed to integrate seamlessly with impact wrenches, these tools eliminate the struggle of manual stud installation, significantly reducing assembly time.

Key Features

    • Wide Compatibility: Available for metric stud diameters from M6 to M36 and SAE/British UNF sizes from 1/4″ to 1 1/2″
    • Heavy-Duty Drive Options: Supports square drives ranging from 3/8″ (10mm) to 1″ (25mm).
    • Secure Attachment: Features an integrated cross-hole and groove system for locking pins and rings, ensuring maximum safety during high-impact use.
    • Built to Last: Durable construction optimized for the rigorous environment of engine assembly and industrial maintenance.
 
Technical Specification Standard Metric
Part No. Stud Size & Pitch Stud End Dia Drive End Dia Thread Length Approx. OAL
GYST2-6 M6 x 1 13.5 25 10 44
GYST2-7 M7x1 14.7 25 10 44
GYST2-8X1.25 M8 x 1.25 16 25 12 46
GYST2-8×1.00 M8x1.00 16 25 12 46
GYST2-10×1.5 M10 x 1.5 18 25 14 50
GYST2-10×1.25 M10x1.25 18 25 14 50
GYST2-12X1.75 M12x1.75 20.5 26 18 53
GYST2-12X1.25 M12x1.25 20.5 26 18 53
GYST2-14X1.5 M14X1.5 23 26 18 57
GYST2-14X2 M14X2 23 26 18 57
GYST2-16X1.5 M16X1.5 25.5 26 20 59
GYST2-16X2 M16X2 25.5 26 20 59
GYST2-20X1.5 M20X1.5 30.8 26 24 63
Technical Specification Standard Metric
Part No. Stud Size & Pitch Stud End Dia Drive End Dia Thread Length Approx. OAL
GYST2-1/4U 1/4″ UNF 13.7 25 10 44
GYST2-1/4 B 1/4″ BSF 13.7 25 10 44
GYST2-5/16 U 5/16″ UNF 15.4 25 12 46
GYST2-5/16B 5/16″ BSF 15.4 25 12 46
GYST2-3/8U 3/8″ UNF 17.3 25 14 50
GYST2-3/8B 3/8″ BSF 17.3 25 14 50
ST-1/2U 1/2″ UNF 21.3 26 18 57
GYST2-1/2 B 1/2″ BSF 21.3 26 18 57
GYST2-9/16U 9/16″ UNF 23.3 26 18 57
GYST2-9/16 B 9/16″ BSF 23.3 26 18 57
GYST2-5/8U 5/8″ UNF 25.4 26 20 59
GYST2-5/8B 5/8″ BSF 25.4 26 20 59