Products - Sleeves
Square Hole Sleeves with threading and back-up screw Cold Roll Mild Steel
Sleeves can be furnished with .015" oversize O.D. upon request. When ordering oversize sleeves add the letter "G" to the sleeve number.
Splined Sleeves - 10 Splines
Stressproof Material - 24/28 RC
SAE straight-sided splines
Thrif-T Boring Bars Material - 8620
Each bar has a 90-degree square hole in one end and a 45-degree square hole in the other, both holes have an adjusting backup screw.