Description
Three-Point Internal Micrometers, Ratchet Stop
- Crisp, clear, easy-to-read graduation
- Carbide tipped contact points provide excellent durability
- Measurement can be taken closer to the bottom of the blind bore, and can be taken into a deep hole with an extension rod.
- Highly durable because of carbide-tipped contact points.
- Extension Rods = 6″
- Within4″: Supplied with setting rings.
- Over 0.5″:Titanium-plated anvils optional.
- Resolution:
Within 0.5″: 0.0001 Inch).
Over 0.5″: 0.0002 Inch).
- Ratchet stop for constant measuring force
- Setting ring for zero point adjustment included
- Extension rod standard for measuring the deep hole
- include:
- 1 pc of 3 points internal micrometer
- 1 pc of the setting ring
- 1 pc of the extension rod
- 1 pc of adjusting wrench
- Includes strong Aluminum case
| Item | Range | Accuracy | Setting Rings | L1 | A | Extension Rods |
| 3150-1111 | 0.275-0.35″ | 0.00016″ | 0.275″ | 2.18″ | 0.06″ | 4″ |
| 3150-2111 | 0.35-0.425″ | 0.00016″ | 0.35″ | 2.18″ | 0.06″ | 4″ |
| 3150-3111 | 0.425-0.5″ | 0.00016″ | 0.5″ | 2.18″ | 0.06″ | 4″ |
| 3150-4071 | 0.5-0.65″ | 0.00016″ | 0.65″ | 3.2″ | 0.02″ | 6″ |
| 3150-5071 | 0.65-0.8″ | 0.00016″ | 0.65″ | 3.2″ | 0.02″ | 6″ |
| 3150-6071 | 0.8-1″ | 0.00016″ | 1″ | 3.6″ | 0.02″ | 6″ |
| 3150-7071 | 1-1.2″ | 0.00016″ | 1″ | 3.6″ | 0.02″ | 6″ |
| 3150-8071 | 1.2-1.6″ | 0.00016″ | 1.6″ | 3.88″ | 0.02″ | 6″ |
| 3150-9071 | 1.6-2″ | 0.00020″ | 1.6″ | 3.88″ | 0.02″ | 6″ |
| 3151-0071 | 2-2.5″ | 0.00020″ | 2.5″ | 4.56″ | 0.02″ | 6″ |
| 3151-1071 | 2.5-3″ | 0.00020″ | 2.5″ | 4.56″ | 0.02″ | 6″ |
| 3151-2071 | 3-3.5″ | 0.00020″ | 3.5″ | 4.56″ | 0.02″ | 6″ |
| 3151-3071 | 3.5-4″ | 0.00020″ | 3.5″ | 4.56″ | 0.02″ | 6″ |
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