Single Profile Thread Mill: 1/4-20, 20 TPI, Internal, 4 Flutes, Solid Carbide MPN:GFS83106.5009

This 52 piece fixturing step block and clamp set is a comprehensive and versatile solution to any holding application in your workshop or on the job site. With 4 available sizes of step blocks ranging from 1x1, 1.5 x 1.5, 2x2 & 3x2, you can securely clamp your materials with 9/16 T-slot and 3/8 - 16 stud thread for precise and solid holds for drilling, cutting, sanding or machining. Featuring an all metal construction the step blocks provide durability while eliminating the need for traditional screws on wood benches. This set is ideal for automotive repair shops, toolmakers and general contractors looking to improve productivity while ensuring a stable surface for all of your tools.