General Tools 21 US Standard Sheet Metal Round Gage
GENERAL TOOLS sheet metal round gage (US Standard #0–#36) in chrome finish. Hardened alloy steel, 3-1/4" diameter, 3/32" thick — for accurately measuring thickness of uncoated sheet metal, plate iron and steel.
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General Tools US Standard Sheet Metal Round Gage (Model 21, Mfg Part 318-21) is a hardened, tempered alloy steel thickness gage designed to measure uncoated sheet metal, plate iron and steel. Gage numbers conform to U.S. Standard 0 to 36 (based on ounces per square inch); decimal equivalents for each size are stamped on the reverse. The gage features a satin/chrome finish, is 3-1/4" in diameter and 3/32" thick, and includes a single-piece round gauge for quick, accurate thickness checks. Made by General Tools, this gauge is hand-powered, includes one piece per package, and is suitable for industrial, shop, and field use where reliable sheet-metal thickness readings are required.
- Featuring a satin finished, this sheet metal gage is made from hardened and tempered heavy gage steel
- This standard sheet metal gage is 3-1/4" in diameter and 3/32" thick
- Decimal equivalents of each size are stamped on the reverse side of the sheet metal gage
- Gage numbers are US Standard 0 to 36, based on weights in ounces per square inch
- This sheet metal gage is designed to accurately determine the thickness of uncoated sheet metal, plate iron and steel
Specifications:
| Materials & Construction | |
| Color | Silver |
| Finish | Chrome |
| Material | Alloy Steel |
| Product Details | |
| Included Components | US Standard Sheet Metal Round Gauge |
| Item model number | 21 |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Part Number | 21 |
| Power Source | Hand Powered |
| Special Features | This item is no longer "Made in the USA" as indicated on the stock photo. |
| Tool Type | Indicator Tool |
| Usage | specific_uses_for_product |
| Warranty Description | Manufacturer |
| Sizing & Dimensions | |
| Length | 7.63 inches |
| Product Dimensions | 7.63"L x 6.25"W |
| Weight | 3.68 ounces |
| Width | 6.25 inches |
| Technical Specifications | |
| Measurement Accuracy | +/-0.001 inches |
| Range | 36 gauge |
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