Maximum Measuring Accuracy
Linear ≤ ±0.000040″ (0.001 mm)
Repeatability ≤ ±0.000010″ (0.00025 mm)
Gage R & R capability ≤10%
Measuring high tolerance 0.0003″ (0.007 mm) bores.
Notable Features
Highest Accuracy bore gages world wide, linear ≤ 0.000040″ (0.001 mm) at tolerance range from “Zero” set.
Highest repeatability world wide ≤ 0.000020″ (0.0005 mm) unique special segment design.
Best Gage R & R.
1. Order gage model base or diameter range.
2. Order indicator.
3. Order Master.
| Measuring
Range Inch (mm) |
Z1 | Distance from the
Bottom “h” Inch (mm) |
Contact Point Max.
Travel Inch (mm) |
Standard
Handle Measuring Depth “MT” |
Standard
Handle Total Measuring Depth “L” |
Order No. with Carbide
Contacts & Tool Steel Head |
Order No. with Ruby
Contacts & Tool Steel Head |
| 0.18″–0.24″ (4.5–6) | 0.15 | 0.08″
(2) |
0.013″ (0.35) | 3.15″ | 3.15″ | 220-005 | 220-305 |
| 0.24″–0.31″ (6–8) | 0.20 | 0.11″ (2.8) | 0.019″ (0.5) | 3.94″ | 3.94″ | 220-010 | 220-310 |
| 0.31″–0.47″ (8–12) | 0.26 | 0.13″ (3.3) | 0.027″ (0.7) | 3.94″ | 3.94″ | 220-015 | 220-315 |
| 0.47″–0.79″ (12.0–20.0) | 0.36 | 0.18″ (4.5) | 0.035″ (0.9) | 4.33″ | 4.33″ | 220-020 | 220-320 |
| 0.71″–1.377″ (18.0–35.0) | 0.58 | 0.21″ (5.4) | 0.051″ (1.3) | 4.33″ | 8.30″ | 220-025 | 220-325 |
| 1.37″–2.36″ (35.0–60.0) | 1.10 | 0.28″ (7.0) | 0.051″ (1.3) | 5.51″ | 9.53″ | 220-030 | 220-330 |
| 1.97″–3.94″ (50.0–100.0) | 1.77 | 0.34″ (8.6) | 0.051″ (1.3) | 7.09″ | 11.55″ | 220-035 | 220-335 |
| 1.97″–5.91″ (50.0–150.0) | 1.77 | 0.34″ (8.6) | 0.055″ (1.4) | 7.09″ | 11.55″ | 220-040 | 220-340 |
| 3.94″–6.30″
(100.0–160.0) |
2.95 | 0.452″ (11.5) | 0.063″ (1.6) | 9.06″ | 14.34″ | 220-055 | 220-355 |
| 6.30″–11.02″ (160.0–290.0) | 4.72 | 0.47″
(12) |
0.063″ (1.6) | 9.06″ | 14.34″ | 220-065 | 220-365 |
| 11.02″–16.14″ (280.0–410.0) | 5.91 | 0.59″
(15) |
0.102″ (2.6) | 15.75″ | 21.50″ | 220-070 | 220-370 |
| 11.02″–20.08″
(280.0″–510.0″) |
5.91 | 0.59″
(15) |
0.102″ (2.6) | 15.75″ | 21.50″ | 220-075 | 220-375 |
| 15.75″–31.50″
(400.0″–800.0″) |
11.81 | 0.59″
(15) |
0.102″ (2.6) | 27.56″ | 33.50″ | 220-080 | 220-380 |
Depth Extensions For 1.38″ (35mm) ranges and up* with 3/8″ and 8mm bushing stem.
| Extension
Length (L) inch |
Extension
Length (L) mm |
Order No.
0.47″ Dia. |
Order No.
0.71″ Dia. |
Order No.
0.945″ Dia. Carbon Fiber |
| 9.84 | 250 | 224-005 | — | — |
| 19.69 | 500 | 224-010 | — | — |
| 29.53 | 750 | 224-015 | — | — |
| 39.37 | 1000 | 224-020 | 224-120 | 224-130 |
| 59.06 | 1500 | — | 224-125 | 224-135 |
| 78.74 | 2000 | — | 224-126 | 224-140 |
