Originators and Designers of Specialty Reamers and Cutting Tools Since 1918

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Duplex Chucking Reamers with Straight Shank

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Straight Shank    Schedule H1

One straight flute, all other flutes helical - for precision finishing and problem holes.  GAMMONS® unique duplex flute configuration eliminates chatter and rifling and provides an extremely fine finish – often eliminating the need for polishing or lapping.  Excellent for use in a variety of materials including many types of steel, brass, aluminum and plastic.

Chucking reamers are furnished as Left Hand Spiral, Right Hand Cut.  Also available in Right Hand Spiral or Straight Flute. Flute Diameters are held to a tolerance of +.0002"/-.0000" unless otherwise specified.

Duplex Chucking Reamers can also be made as specials in extra length, special helix angles, end cutting, with larger diameters or in premium high-speed steel or carbide.


   QUANTITY DISCOUNTS AVAILABLE

   All surface treatments available upon request. Return to GAMMONS® for resharpening

Part Number Size Range Flute Length Number of Flutes Shank Size Overall Length
CRDS0026 .2500 - .2656 1.50 6 0.219 6.0 Login for Pricing
CRDS0028 .2657 - .2813 1.50 6 0.250 6.0 Login for Pricing
CRDS0029 .2814 - .2969 1.50 6 0.250 6.0 Login for Pricing
CRDS0031 .2970 - .3125 1.50 6 0.250 6.0 Login for Pricing
CRDS0032 .3126 - .3281 1.50 6 0.250 6.0 Login for Pricing
CRDS0034 .3282 - .3438 1.50 6 0.313 6.0 Login for Pricing
CRDS0035 .3439 - .3594 1.75 6 0.313 6.0 Login for Pricing
CRDS0037 .3595 - .3750 1.75 6 0.313 6.0 Login for Pricing
CRDS0039 .3751 - .3906 1.75 6 0.313 6.0 Login for Pricing
CRDS0040 .3907 - .4063 1.75 6 0.375 6.0 Login for Pricing
CRDS0042 .4064 - .4219 1.75 6 0.375 6.0 Login for Pricing
CRDS0043 .4220 - .4375 1.75 6 0.375 6.0 Login for Pricing
CRDS0045 .4376 - .4531 1.75 6 0.375 6.0 Login for Pricing
CRDS0046 .4532 - .4688 1.75 6 0.438 7.0 Login for Pricing
CRDS0048 .4689 - .4844 2.00 6 0.438 8.0 Login for Pricing
CRDS0050 .4845 - .5000 2.00 6 0.438 8.0 Login for Pricing
CRDS0053 .5001 - .5313 2.00 6 0.438 8.0 Login for Pricing
CRDS0056 .5314 - .5625 2.00 6 0.438 8.0 Login for Pricing
CRDS0059 .5626 - .5938 2.00 6 0.500 8.0 Login for Pricing
CRDS0062 .5939 - .6250 2.25 8 0.500 9.0 Login for Pricing
CRDS0065 .6251 - .6563 2.25 8 0.563 9.0 Login for Pricing
CRDS0068 .6564 - .6875 2.25 8 0.563 9.0 Login for Pricing
CRDS0071 .6876 - .7188 2.25 8 0.625 9.0 Login for Pricing
CRDS0075 .7189 - .7500 2.50 8 0.688 9.5 Login for Pricing
CRDS0078 .7501 - .7813 2.50 8 0.688 9.5 Login for Pricing
CRDS0081 .7814 - .8125 2.50 8 0.750 9.5 Login for Pricing
CRDS0084 .8126 - .8438 2.50 8 0.750 9.5 Login for Pricing
CRDS0087 .8439 - .8750 2.63 8 0.750 9.5 Login for Pricing
CRDS0090 .8751 - .9063 2.63 8 0.750 10.0 Login for Pricing
CRDS0093 .9064 - .9375 2.63 8 0.875 10.0 Login for Pricing
CRDS0096 .9376 - .9688 2.63 8 0.875 10.0 Login for Pricing
CRDS0100 .9689 - 1.0000 2.75 8 0.875 10.5 Login for Pricing
CRDS0106 1.0001 - 1.0625 2.75 10 0.875 10.5 Login for Pricing
CRDS0112 1.0626 - 1.1250 2.88 10 1.000 11.0 Login for Pricing
CRDS0118 1.1251 - 1.1875 2.88 10 1.000 11.0 Login for Pricing
CRDS0125 1.1876 - 1.2500 3.00 10 1.125 11.5 Login for Pricing
CRDS0131 1.2501 - 1.3125 3.00 10 1.125 11.5 Login for Pricing
CRDS0137 1.3126 - 1.3750 3.25 10 1.250 12.0 Login for Pricing
CRDS0143 1.3751 - 1.4375 3.25 10 1.250 12.0 Login for Pricing
CRDS0150 1.4376 - 1.5000 3.50 10 1.375 12.5 Login for Pricing
CRDS0156 1.5001 - 1.5625 3.50 10 1.375 12.5 Login for Pricing
CRDS0162 1.5626 - 1.6250 3.75 10 1.375 13.0 Login for Pricing
CRDS0168 1.6251 - 1.6875 3.75 12 1.375 13.0 Login for Pricing
CRDS0175 1.6876 - 1.7500 4.00 12 1.500 13.5 Login for Pricing
CRDS0181 1.7501 - 1.8125 4.00 12 1.500 13.5 Login for Pricing
CRDS0187 1.8126 - 1.8750 4.25 12 1.500 14.0 Login for Pricing
CRDS0193 1.8751 - 1.9375 4.25 12 1.500 14.0 Login for Pricing
CRDS0200 1.9376 - 2.0000 4.25 12 1.500 14.0 Login for Pricing

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