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	Standards & Calibration
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		Disc Checking Standard Handy disc checking standard for pocket or tool box. Meets or exceeds federal specification GGG-C-105c for accuracy. 1/4" hardened tool steel Precision ground and lapped Size clearly marked




		Thread Mic. Standard (2) Thread Micrometer Standard for setting or checking thread micrometers. Meets or exceeds federal specification GGG-C-105c for accuracy. Hardened to Rc 62 Lapped to 4 RMS finish 60° male, female ends




		Solid Checking Standards and Sets (16) Solid Checking Standards for checking or setting tools and gages. Meets or exceeds federal specification GGG-C-105c for accuracy. 1/4" diameter hardened steel Lapped to length Size clearly marked Furnished with insulating handles Individual standards or sets available Sets furnished in wood case




		Checking Standards (24) Master Checking Standards for comparing or setting tools and gages. Meets or exceeds federal specification GGG-C-105c for accuracy. Hardened steel contacts Lapped to length 12" thru 35" are solid steel, 36" and larger are tubular steel Size clearly marked Furnished with insulating handles Larger sizes available upon request




		Calibration Masters for 1" Micrometers Calibration masters have nine steps to explore out-of-parallel micrometer anvils in 45° increments, and determine other wear. Accuracy to ±.0001" Protective metal case




		Calibration Masters for 1", 2" and 3" Micrometers Set contains 27 masters for surveillance of 1", 2" and 3" micrometers. Steps in decimals survey out-of-parallel micrometer anvils in 45° increments, and also determine wear. Accuracy to ±.0001" Serial numbered in case




		6" & 12" Caliper Master (2) Set has twelve settings for checking caliper anvils, jaws, jaw frames, and rack lead error. Wood case Accuracy to ±.0001"




		Calibration Masters for 1" to 6" Range, 0.5" Increments Chrome finished set in 1/2" increments is hardened, ground and lapped for longer life and accuracy in 1" to 6" range. Accuracy to ±.0001" Polyethylene Cover




		Calibration Masters for 1" to 6" Range, 1" Increments Chrome finished set with six 1" increments is hardened, ground and lapped for longer life, greater accuracy in 1" to 6" range. Accuracy to ±.0001" Polyethylene Cover




		Calibration Masters for 1" to 12" Range Set has twelve steps calibrated in 1" increments. Can be used for checking and setting mandrel micrometers. Accuracy to ±.0001" Polyethylene Cover




		Depth Gage Masters for 1/2" to 5-1/2" Range Set has six steps calibrated in 1" increments for checking accuracy of 6" size depth micrometers and proper seating of rods. Range 1/2" to 5-1/2". Accuracy to ±.0001" Polyethylene cover




		Depth Gage Masters for 1/2" to 11-1/2" Range Has a range of .500" to 11.500". Steps .500" to 6.500" are accurate to ±.0001"; steps 7.000" to 11.500" are accurate to ±.0003". Accuracy to ±.0003" Polyethylene cover




		52 Pc. Precision Gage Ball Set 26 pairs of precision balls: 1 pair of each size: 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2", 17/32", 9/16", 19/32", 5/8", 21/32", 11/16", 23/32', 3/4", 13/16", 7/8", 15/16", 1" Chrome steel hardened to 63RC Ground and lapped Grade 24 accuracy - AFBMA Certified Provided in a sturdy case




		Group 1 Gage Block Sets (6)

301 Armstrong Blvd N • St James, MN 56081-0517 • 800.326.2039 or 507.375.3211 • Fax: 507.375.4503 • sales@stindustries.com