Starrett Full-Sized Surface Gage with Fully Hardened, Ground and Nicely Finished Stable Steel Base - 12"/18" Spindle Length, 3-1/2 x 3-3/16" Base Size - 257D

Product Description The Starrett 257D full-sized surface gauge has both a 12"/300mm and 18"/450mm spindle for mounting onto a hardened steel base, with an 8-1/2" scriber for accurately scribing lines, transferring measurements, and probing surfaces in inspection work. The spindles are 3/8" in diameter. The included scriber is 8-1/2" (216mm) in length and 5/32" (4mm) in diameter, and is held to the spindle by a sliding snug with a knurled, ring-type lock nut for secure positioning. The steel base is hardened, ground, and lapped for a smooth, flat surface, and measures 3-1/2 x 3-3/16 inches/90 x 80mm (W x D; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back). Four frictionally held gauge pins in the base can be pushed down and referenced against the edge of a surface plate or T-slot for linear work. The satin chrome finish resists rust and is glare-free. A surface gauges is a tool for machinists and toolmakers to mark lines on a workpiece, transfer measurements from one workpiece to another, and for probing surfaces in inspection work. The L.S. Starrett Company manufactures precision measuring tools, metrology and testing equipment, and saw blade products. The company, founded in 1880, is headquartered in Athol, MA. From the Manufacturer This is our finest full-size surface gage.

• High Precision Tool - The Starrett 257D surface gage features a 12"/18" spindle for accurate scribing, measurement transfers, and surface inspection, catering to professionals and hobbyists alike.
• Durable Construction - With a stable, hardened steel base, this surface gage ensures stability and durability for prolonged use in various industrial and workshop environments.
• Versatile Application - Equipped with four frictionally held gage pins, the 257D offers added versatility for referencing and marking, suitable for metalworking, woodworking, and more.
• Wide Range of Applications - Ideal for use in a variety of industries and applications, providing versatility in professional and hobbyist projects alike.
• The Standard for Excellence - Proudly made in the USA, Starrett combines over 140 years of American heritage and innovation with globally sourced materials to deliver exceptional quality tools and products.