










Starrett Magnetic Base Indicator Holder for Test, Back-Plunger, AGD, Dial and Miniature-Dial Indicators - Complete Set
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The Starrett 657AA Magnetic Base Indicator Holder is for use with all Starrett test, back-plunger, AGD, dial, and miniature-dial indicators and accommodates similar indicators of other manufacturers. The complete set includes a magnetic rectangular base, an upright base post, two snugs (one with 1/4 in (6.3 mm) holes and one complete snug PT18724 with 1/4 in & 3/8 in holes), a rod, and an indicator attachment. Key features: magnetic base mount, post & rod arm style, 150 lb magnetic pull, alloy steel construction, black finish. Product dimensions (product): 10.24 x 2.95 x 2.36 inches; product weight: 1.96 pounds. ProductDatabase details include Post Height 188.91 mm (7.44 inches), Post Diameter 9.53 mm (0.38 inches), Arm Length 6 in (152.40 mm), Arm Diameter 6.35 mm (0.25 in), Base Height 1.9375 in (49.21 mm) and Base Length 1.625 in (41.28 mm). Includes upright base post 657G, indicator attachment 657Y, magnetic base 657P, rod 657X, snug 657S and snug PT18724.
- 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.
- Base Holder - The base holder is designed to provide a solid foundation for your indicator or gage. It's made of durable steel and is compatible with most instruments on the market.
- Make A Wise Choice - Our base holders are designed to withstand the toughest environments, so you can be confident that your measurements will be accurate every time.
- Use With All Starrett Indicators - The Starrett 657AA Magnetic Base Indicator Holder is perfect for use with all Starrett Test, Back-Plunger, AGD, Dial, and Miniature-Dial Indicators. It also accommodates similar indicators of other manufacturers.
- Keep Your Indicators Close By - No more searching for your indicator! This magnetic base holder will keep it close at hand, making it easy to grab and use when you need it.
Specifications:
| Materials & Construction | |
| Color | Black |
| Material | Alloy Steel |
| Outer Material | Alloy Steel |
| Product Details | |
| Arm Diameter | 1/4 |
| Arm Diameter (Mm) | 6.35 |
| Arm Length | 6 |
| Arm Length (Mm) | 152.40 |
| Arm Style | Post & Rod |
| Base Height (Decimal Inch) | 1.9375 |
| Base Mount Type | Magnetic |
| Base Shape | Rectangular |
| Fine Adjustment | No |
| Includes | 7-7/16 In Upright Base Post 657g; Indicator Attachment 657y; Magnetic Base 657p; Rod 657x; Snug 657s With (2) 1/4 In (6.3 Mm) Holes; Snug Pt18724 Complete With 1/4 In & 3/8 In Holes |
| Includes Base | Yes |
| Item model number | 657AA |
| Magnetic Pull (Lbs) | 150lb |
| Operation Mode | Off,Push Button |
| Style | Magnetic |
| Sizing & Dimensions | |
| Base Height (Inch) | 1 |
| Base Height (Mm) | 49.21 mm -> 1.94 inches |
| Base Length (Inch) | 1-5/8 |
| Base Length (Mm) | 41.28 mm -> 1.63 inches |
| Height | 2.36 inches |
| Length | 10.24 inches |
| Post Diameter (Inch) | 3/8 |
| Post Diameter (Mm) | 9.53 mm -> 0.38 inches |
| Post Height (Inch) | 7-7/16 |
| Post Height (Mm) | 188.91 mm -> 7.44 inches |
| Product Dimensions | 10.24 x 2.95 x 2.36 inches |
| Weight | 1.96 pounds |
| Width | 2.95 inches |
| Technical Specifications | |
| Country of Origin | United States Minor Outlying Islands |
| Is Discontinued By Manufacturer | No |
| Magnetic Pull (Lbs) | 150lb |
| Operation Mode | Off,Push Button |

