Specifications

Coaxial Indicator 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 - Standard
coaxial-inidicator-801-metric-yellow

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

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Blake CoAxial Centering Indicator

Dial Graduation Values for 801 (INCH)

Bore Diameter in Inches
Feeler Length 2″ Feeler Length 4″ Feeler length 6″
0
.00056 .00105 .00147
1
.00054 .00103 .00146
2
.00050 .00100 .00145
3
.00044 .00097 .00143
4
.00030 .00093 .00140
5
.00087 .00136
6
.00079 .00132
7
.00069 .00124
8
.00055 .00115
9
.00105
10
.00097
11
.00083
12
.00062