Extension / Reducer (Inch)
Extension / Reducer A21
To extend and reduce to smaller diameter shank sizes.

Delivery:
Extension / Reducer Fitted Complete

Replacement Parts
Adjusting Screw
Description Order Number D D1 D2 D3 L L1 L2 Description Order Number
D0.500-T0.125 A21 02130 .500 .125 .354 .591 4.331 .827 2.402 M2.5x8 5505102508
D0.500-T0.187 A21 02140 .500 .187 .354 .591 4.331 .827 2.402 M2.5x8 5505102508
D0.500-T0.250 A21 02150 .500 .250 .591 .787 4.331 1.417 2.402 M5x18 5139110518
D0.500-T0.312 A21 02160 .500 .312 .591 .787 4.331 1.417 2.402 M6x20 5139110620
D0.500-T0.375 A21 02170 .500 .375 .787 1.063 4.331 1.654 2.402 M8x20 5139110820
D0.625-T0.125 A21 04130 .625 .125 .354 .591 4.331 .827 2.283 M2.5x8 5505102508
D0.625-T0.187 A21 04140 .625 .187 .354 .591 4.331 .827 2.283 M2.5x8 5505102508
D0.625-T0.250 A21 04150 .625 .250 .591 .787 4.331 1.417 2.283 M5x18 5139110518
D0.625-T0.312 A21 04160 .625 .312 .591 .787 4.331 1.417 2.283 M6x20 5139110620
D0.625-T0.375 A21 04170 .625 .375 .787 1.063 4.331 1.654 2.283 M8x20 5139110820
D0.625-T0.437 A21 04180 .625 .437 .787 1.063 4.331 1.850 2.283 M8x20 5139110820
D0.625-T0.500 A21 04190 .625 .500 .787 1.063 4.331 1.850 2.283 M8x20 5139110820
D0.750-T0.125 A21 06130 .750 .125 .354 .591 4.331 .827 2.205 M2.5x8 5505102508
D0.750-T0.187 A21 06140 .750 .187 .354 .591 4.331 .827 2.205 M2.5x8 5505102508
D0.750-T0.250 A21 06150 .750 .250 .591 .787 4.331 1.417 2.205 M5x18 5139110518
D0.750-T0.312 A21 06160 .750 .312 .591 .787 4.331 1.417 2.205 M6x20 5139110620
D0.750-T0.375 A21 06170 .750 .375 .787 1.063 4.331 1.654 2.205 M8x20 5139110820
D0.750-T0.437 A21 06180 .750 .437 .787 1.063 4.331 1.850 2.205 M8x20 5139110820
D0.750-T0.500 A21 06190 .750 .500 .787 1.063 4.331 1.850 2.205 M8x20 5139110820
D1.000-T0.500 A21 07190 1.000 .500 .787 1.063 4.724 1.850 2.362 M8x20 5139110820
D1.000-T0.562 A21 07200 1.000 .562 .945 1.260 4.724 1.850 2.362 M8x20 5139110820
D1.000-T0.625 A21 07210 1.000 .625 .945 1.260 4.724 1.968 2.362 M12x20 5139111220
D1.000-T0.750 A21 07220 1.000 .750

-

1.654 5.906 2.047 3.543 M16x20 5139111620