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BC Universal ID/OD Bench Comparators

This comparator offers 2 or 3 point measurements for both ID and OD on one benchtop plate. Features include two or three point measurement, linear ball bushing movement and a wide range of adjustment. The fixture can be positioned at any angle from horizontal to vertical to duplicate the machining process angle eliminating deflection and deformation variation as potential sources of error. Hardened steel work surfaces insures years of accurate trouble free use.

BC Bench Comparator Features:

  • Gage is supplied with model 2DM025-01 .0001" graduation 1:1 dial indicator, 3 contact holders and BCC-GS25 contact set
  • Reversing the top plate selects either ID or OD
  • Base with carrying handle features 90 degrees of adjustment with angle locking mechanism
  • .400" linear gaging or retraction range
  • Patented precision linear ball bushing gaging mechanism
  • Witness lines aid with gage alignment
  • Ground and plated work stage 5.25" x 6.75" on BC1 and 9.75" x 10.75" on BC2
  • Includes fitted wooden storage case
  • 2 Hex adjustment wrenches

Attachment Size
bench comparator models.pdf 630.53 KB
bench comparator features.pdf 968.03 KB

BC Steel Groove Contact

Part Number
BCC-GS25

BC Steel Sharp Contact Holder

Part Number
2760-S

BC Carbide Ball Contact

Part Number
BCC-CB25

BC Steel Flat Contact Holder

Part Number
2759-S

2DMR025-017 Dial Indicator

Part Number
2DMR025-017
Graduation/Resolution
.0001"
Travel/Range
.020"
Revolutions
2.50
Travel Per Rev
.008"

2DMR125-05 Dial Indicator

Part Number
2DMR125-05
Graduation/Resolution
.0006"
Travel/Range
.100"
Revolutions
2.50
Travel Per Rev
.040"

2DMR005-002mm Dial Indicator

Part Number
2DMR005-002mm
Graduation/Resolution
0.002mm
Travel/Range
0.4mm
Revolutions
2.50
Travel Per Rev
0.16mm

2DMR5-01mm Dial Indicator

Part Number
2DMR5-01mm
Graduation/Resolution
0.01mm
Travel/Range
4.0mm
Revolutions
5.00
Travel Per Rev
0.8mm