Starrett® 647 Dial Comparator Indicator, 0.004 in, 20-0-20 Dial Reading, 0.00005 in, 3 in Dial, NO 4-48 NF Tip
Item #BC843520
Starrett® Dial Comparator Indicator, 0.004 in, 20-0-20 Dial, Graduations: 0.00005 in, 3 in Dial, White Dial, NO 4-48 NF Tip, 50 - 104 deg F, Hardened Stainless Steel, Satin
- Rugged and simple unit construction with a universally fitting design
- The gear unit is constructed of a massive single bridge and plate assembly with a hardened stainless steel gear train
- All gear trains are fully jeweled for sensitivity, smoothness and life
- The case is light but sturdy, with a hardened, precision stainless steel rack that rides in bronze bushings, size Groups 0 and 1 indicators are of similar construction but smaller in size
- Hardened stainless steel bottom stems can be held in fixtures without cramping rack action
- Easy readability with the best, balanced style of graduation and number combination
- Balanced and tapered hands are easy-to follow
- Special non-shock mechanism is ideal for when an indicator may be subjected to repeated and excessive shocks
- Sharp bezel serrations for positive grip
- Unbreakable crystal, 3/8 in Dia stem