/ Precision Measuring Tools / Precision Hand Tools / Hole Gages / Small Hole Gages / 831D * Not actual product image 831D Small Hole Gage 53086 829 Small Hole Gages and Sets Small Hole Gage .400-.500"/10.2-12.7mm Range, 3 1/2"/90mm Length The Starrett 831 Small Hole Gage is exactly the same as the 829 Series except that the gaging surface is a half-ball with a flat bottom. This permits use in even the most shallow holes, slots, and recesses. .400-.500" (10.2-12.7mm) Range, 3 1/2" (90mm) Length recesses. Features Specifications Parts 3D CAD Files / Exploded Parts Diagram Product Testimonials California Prop 65 Other similar products 829A Small Hole Gage 829B Small Hole Gage 829C Small Hole Gage 829D Small Hole Gage 831D Small Hole Gage S829EZ Small Hole Gage - Set S829EZZ Plastic Case for Small Hole Gage Set S831EZ Small Hole Gage - Set Contact Starrett Features Ideal for accurately measuring small holes, slots, grooves, and recesses Precision Ground Radius on each gage provides two-point contact for maximum accuracy Used for general work Permits use in shallow holes, slots, and recesses Well balanced More accurate measurements Hardened-ball measuring surface with two-point contact Half-ball with a flat bottom Smooth, sensitive adjustment Adjustment of the gage beyond their range is restricted by a safety stop that prevents breakage Specifications Made in America: Yes Range (in): .400-.500" Range (mm): 10.2-12.7mm Length (in): 3-1/2" Length (mm): 90mm 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 10BALL END #831D08868-01 20ROD, ADJUSTING08879-01 30NUT, #1-64 ADJ. ROD18290-01 40RING, RETAINING, .116X.166X.02518292-01 50HANDLE08872-01 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