/ Precision Measuring Tools / Precision Hand Tools / Precision Shop Tools / Surface Gages / 257D * Not actual product image 257D Full-sized Surface Gage 51243 257 Full-Sized Surface Gages Full-sized Surface Gage, 12" & 18"/300mm & 450mm Spindle Length, 3-1/2 x 3-3/16" / 90 x 80mm Base Size Starrett Surface Gages are designed for a wide variety of uses. This is a basic tool for machinists and toolmakers. The main uses are for accurately scribing lines, transferring measurements and for probing surfaces in inspection work. (2) 12"/18" Spindle. Features Specifications Parts Downloads 3D CAD Files / Exploded Parts Diagram Product Testimonials California Prop 65 Other similar products 257A Full-sized Surface Gage 257B Full-sized Surface Gage 257C Full-sized Surface Gage 257D Full-sized Surface Gage Contact Starrett Features Finest full-size surface gage Stable steel base is fully hardened, ground and nicely finished Four frictionally held gage pins that add versatility for referencing the tool Specifications Made in America: Yes Spindle Length (in): 12" & 18" Spindle Length (mm): 300 & 450mm Base Size (in): 3-1/2 x 3-3/16" Base Size (mm): 90 x 80mm Downloads 2D Dimensional Drawing (PDF) .pdf 28.82 kb 3D CAD Files / Exploded Parts Diagram Login to see related product files. Or create an account. Product Testimonials Write a product review Write a product review Comments* First Name* Last Name* Email* Occupation The information you provide will be used in accordance with the terms of our privacy policy. I agree to the privacy policy. Please provide the required information. Thank you for submitting a product testimonial on www.starrett.com. By submitting information to Starrett, you acknowledge and give express permission for the L.S. Starrett Company to use and share your statements. Parts Member of Kit Item #DescriptionPart No.QtyInformation 1BASE #257-1218014-01 2SPINDLE, #57CPT991241 3•SPINDLE, 12"01837-01 4•SCREW, .140-40 SLOT X .281 LONG01883-01 5SPINDLE, #57DPT991251 6•SPINDLE, 18"01838-01 7•SCREW, .140-40 SLOT X .281 LONG01883-01 8BOLT/SLEEVE, SPINDLE07801-01 9WSHR,.219X.744X.25001848-01 10WSHR,.202X.558X.06201882-1/21 11SPRING, .238X.324X.500X.043X401860-01 12NUT, .200-4001874-01 13SCRIBERPT165901 14ROCKER18010-01 15SPRING, .247X.357X1.00X.055X801870-02 16SCREW, .200-40 THUMB X .875 LONGPT082511 17ROC FULCRUM, .375-4018019-01 18PIN, BASE GUIDEPT018784 19WSHR,.250X.500X.03118018-01 20SNUG ASSEMBLYPT187241 21•SNUG,SCRIBER18726-01 22•BOLT, SCRIBER #5718721-01 23•SLEEVE, SCRIBER18722-01 24•WSHR,.187X.471X.05018723-01 25•SPRING, .259X.315X.313X.028X301875-01 26•NUT, .187-3201854-01 California Proposition 65 Warning WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov