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Ball-End Plug Gauges with Handle
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Check the true diameter of holes, even if they’re bent or curved. The thin stem on these gauges flexes to reach features deep inside holes and cavities. Unlike standard plug gauges, these gauges have a ball end that centers itself in holes for accurate tolerance tests. They’re often used to inspect bearings and parts made with CNC or milling machines. If the ball passes through the hole, you know the diameter is at least as big as the ball. The handle makes it easier to reach holes that are deep or hard to get to compared to using gauge balls without a handle.
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Plug Gauge Size | Plug Gauge Size Tolerance | Handle Lg. | Dia. | Lg. | Surface Smoothness, RMS, μin | Hardness | Material | Features | Each | |||
| 0.0110" | -0.0001" to 0.0001" | 1 29/32" | 0.009" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N11 | 0000000 | ||
| 0.0120" | -0.0001" to 0.0001" | 1 29/32" | 0.009" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N12 | 000000 | ||
| 0.0130" | -0.0001" to 0.0001" | 1 29/32" | 0.009" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N13 | 000000 | ||
| 0.0140" | -0.0001" to 0.0001" | 1 29/32" | 0.009" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N14 | 000000 | ||
| 0.0150" | -0.0001" to 0.0001" | 1 29/32" | 0.013" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N15 | 000000 | ||
| 0.0160" | -0.0001" to 0.0001" | 1 29/32" | 0.013" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N16 | 000000 | ||
| 0.0170" | -0.0001" to 0.0001" | 1 29/32" | 0.013" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N17 | 000000 | ||
| 0.0180" | -0.0001" to 0.0001" | 1 29/32" | 0.013" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N18 | 000000 | ||
| 0.0190" | -0.0001" to 0.0001" | 1 29/32" | 0.013" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N19 | 000000 | ||
| 0.0200" | -0.0001" to 0.0001" | 1 29/32" | 0.013" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N21 | 000000 | ||
| 0.0210" | -0.0001" to 0.0001" | 1 29/32" | 0.013" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N22 | 000000 | ||
| 0.0220" | -0.0001" to 0.0001" | 1 29/32" | 0.013" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N23 | 000000 | ||
| 0.0250" | -0.0001" to 0.0001" | 1 29/32" | 0.018" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N24 | 000000 | ||
| 0.0270" | -0.0001" to 0.0001" | 1 29/32" | 0.018" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N25 | 000000 | ||
| 0.0280" | -0.0001" to 0.0001" | 1 29/32" | 0.018" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N26 | 000000 | ||
| 0.0290" | -0.0001" to 0.0001" | 1 29/32" | 0.018" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N27 | 000000 | ||
| 0.0300" | -0.0001" to 0.0001" | 1 29/32" | 0.022" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N28 | 000000 | ||
| 0.0310" | -0.0001" to 0.0001" | 1 29/32" | 0.022" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N29 | 000000 | ||
| 0.0320" | -0.0001" to 0.0001" | 1 29/32" | 0.022" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N31 | 000000 | ||
| 0.0350" | -0.0001" to 0.0001" | 1 29/32" | 0.022" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N32 | 000000 | ||
| 0.0380" | -0.0001" to 0.0001" | 1 29/32" | 0.022" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N33 | 000000 | ||
| 0.0390" | -0.0001" to 0.0001" | 1 29/32" | 0.022" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N34 | 000000 | ||
| 0.0400" | -0.0001" to 0.0001" | 1 29/32" | 0.025" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N35 | 000000 | ||
| 0.0500" | -0.0001" to 0.0001" | 1 29/32" | 0.032" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N36 | 00000 | ||
| 0.0600" | -0.0001" to 0.0001" | 1 29/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N37 | 000000 | ||
| 0.0610" | -0.0001" to 0.0001" | 1 29/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N38 | 000000 | ||
| 0.0620" | -0.0001" to 0.0001" | 1 29/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N39 | 000000 | ||
| 0.0625" | -0.0001" to 0.0001" | 1 29/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N41 | 000000 | ||
| 0.0630" | -0.0001" to 0.0001" | 1 29/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N42 | 000000 | ||
| 0.0640" | -0.0001" to 0.0001" | 1 29/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N43 | 000000 | ||
| 0.0650" | -0.0001" to 0.0001" | 1 29/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N44 | 000000 | ||
| 0.0700" | -0.0001" to 0.0001" | 1 29/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N45 | 000000 | ||
| 0.0780" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N46 | 000000 | ||
| 0.0800" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N47 | 000000 | ||
| 0.0900" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N48 | 000000 | ||
| 0.0930" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N49 | 000000 | ||
| 0.0940" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N51 | 000000 | ||
| 0.0950" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N52 | 000000 | ||
| 0.0960" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N53 | 000000 | ||
| 0.0980" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N54 | 000000 | ||
| 0.1000" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N55 | 000000 | ||
| 0.1180" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N56 | 000000 | ||
| 0.1200" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N57 | 000000 | ||
| 0.1240" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N58 | 000000 | ||
| 0.1250" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N59 | 000000 | ||
| 0.1260" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N61 | 000000 | ||
| 0.1570" | -0.0001" to 0.0001" | 2 15/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N62 | 000000 | ||
| 0.1870" | -0.0001" to 0.0001" | 3 1/8" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N63 | 000000 | ||
| 0.1880" | -0.0001" to 0.0001" | 3 1/8" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N64 | 000000 | ||
| 0.1900" | -0.0001" to 0.0001" | 3 1/8" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N65 | 000000 | ||
| 0.2490" | -0.0001" to 0.0001" | 3 1/8" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N66 | 000000 | ||
| 0.2500" | -0.0001" to 0.0001" | 3 1/8" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N67 | 000000 | ||
| 0.2510" | -0.0001" to 0.0001" | 3 1/8" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N68 | 000000 | ||
| 0.2520" | -0.0001" to 0.0001" | 3 1/8" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N69 | 000000 | ||
| 0.3750" | -0.0001" to 0.0001" | 3 19/32" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N71 | 000000 | ||
| 0.5000" | -0.0001" to 0.0001" | 4 3/16" | 0.042" | 3" | 2 | Rockwell C60 | Tool Steel | Handle | 6803N72 | 000000 | ||
