Specifications
801 (Inch) – Premium Coaxial Indicator Specifications
- Locating accuracy: To within .0002 in. of true center.
- Graduation on Dial Face: .0005 in.
- Length: 6 7/8 in.
- Shank 3/8 dia. x 7/8 in. long
- Weight 9 1/2 oz. net, 1 LB. 14 oz. shipping weight
- Feeler ball 1/8 in. dia.
- Measuring Range .250 axis offset
- **Capacity Internal, 5/32 to 4 1/4 dia.- External, zero to 4 1/4 dia.
- Speed It is recommended that operating speed not exceed 800 RPm approx.
- Inital positioning: Within 7/16 dia. circle of true location.
*Capacity can be increased to 12″ diameter by use of accessory feelers
801 (Metric) – Premium Coaxial Indicator Specifications
- Locating accuracy: To within .005 mm of true center.
- Graduation on Dial Face: .01 mm
- Length: 6 7/8 in.
- Shank 3/8 dia. x 7/8 in. long
- Weight 9 1/2 oz. net, 1 LB. 14 oz. shipping weight
- Feeler ball 1/8 in. dia.
- Measuring Range .250 axis offset
- *Capacity Internal, 5/32 to 4 1/4 dia.- External, zero to 4 1/4 dia.
- Speed It is recommended that operating speed not exceed 800 RPm approx.
- Inital positioning: Within 7/16 dia. circle of true location.
*Capacity can be increased to 12″ diameter by use of accessory feelers
801-E (Economy Coaxial Indicator) Specifications
- Locating accuracy: To within .0010 in. of true center.
- Graduation on Dial Face: .0010 in.
- Length: 6 7/8 in.
- Shank 3/8 dia. x 7/8 in. long
- Weight 9 1/2 oz. net, 1 LB. 14 oz. shipping weight
- Feeler ball 1/8 in. dia.
- Measuring Range .250 axis offset
- *Capacity Internal, 5/32 to 4 1/4 dia.- External, zero to 4 1/4 dia.
- Speed It is recommended that operating speed not exceed 800 RPm approx.
- Inital positioning: Within 7/16 dia. circle of true location.
*Capacity can be increased to 12″ diameter by use of accessory feelers
801-R (Refurbished) – Coaxial Indicator Specifications
- Locating accuracy: To within .0002 in. of true center.
- Graduation on Dial Face: .0005 in.
- Length: 6 7/8 in.
- Shank 3/8 dia. x 7/8 in. long
- Weight 9 1/2 oz. net, 1 LB. 14 oz. shipping weight
- Feeler ball 1/8 in. dia.
- Measuring Range .250 axis offset
- *Capacity Internal, 5/32 to 4 1/4 dia.- External, zero to 4 1/4 dia.
- Speed It is recommended that operating speed not exceed 800 RPm approx.
- Inital positioning: Within 7/16 dia. circle of true location.
*Capacity can be increased to 12″ diameter by use of accessory feelers
Blake CoAxial Centering Indicator
Dial Graduation Values for 801 (INCH)
| Feeler Length 2″ | Feeler Length 4″ | Feeler length 6″ | |
| .00056 | .00105 | .00147 | |
| .00054 | .00103 | .00146 | |
| .00050 | .00100 | .00145 | |
| .00044 | .00097 | .00143 | |
| .00030 | .00093 | .00140 | |
| .00087 | .00136 | ||
| .00079 | .00132 | ||
| .00069 | .00124 | ||
| .00055 | .00115 | ||
| .00105 | |||
| .00097 | |||
| .00083 | |||
| .00062 |