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This heavy-duty accessory mounts on any build-up of heavy-duty blocks and measures the deviation of the work from nominal or desired size. (Indicator is set and checked for zero by placing blocks on any known flat surface.)
HDA 10 and HDA 12 Indicator Accessory Sets consist of a holding block, extension jaw and a precision Starrett indicator. See catalog description below for indicator ranges and graduations.
Eccentric clamps are used for combining long blocks
Quick-acting clamps are used for combining fractional inch blocks with blocks 1" or longer
Heavy-Duty Steel Accessories Individually or Sets as stated below Individual Accessories
Indicator Accessory Set Description
Half-Round Jaw* .500 Radius Scriber Point
Center Point .500 C/L Eccentric Clamp Quick-Acting Clamp Base Block 1.500" Thick
WEAR BLOCKS croblox®
Additional Accessories Straight Jaw* 1.000 Thick
Wear Blocks in .050" and .100" sizes are available for use with heavy-duty blocks.
Indicator Set Consisting of: Indicator Holding Block Extension Jaw (1.000" Thick) Indicator with ±.010" Range, .0005" Graduations Case
Indicator Set As Above Except: Indicator with ±.0015" Range, .00005" Graduations
HDA 2. HDA 3. HDA 4. HDA 5. HDA 6.
HDA 820. HDA 10. HDA 1. 2
(See set description next page for qty.) 1 1
Steel Accessories Included in all
42 thru 46 Piece Sets or 84 Piece Set when ordered with Accessories
HDA 12. * Jaws are normally used in pairs, but are ordered individually. Please order accordingly.
croblox Wear Blocks Size
HDC .050 WA1 HDC .100 WA1
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