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Hardcoat™ Precision Shafting
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Hardcoat™ Precision Shafting

( SMI )



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Our Hardcoat™ shafting is an aluminum base shaft, hard anodized using a proprietary process to achieve a greater wear and corrosion resistance than an uncoated shaft.

Hardcoat™ Shafting works best with Linear Plain Bearings and Pillow Blocks
Linear Plain Bearings: Linear Plain Bearing Pillow Blocks
slide
Closed Linear Plain Bearings
rjui-pb
Closed Linear Plain Bearing Pillow Blocks

straight-open
Open Linear Plain Bearings
ojui-pb
Open Linear Plain Bearing Pillow Blocks

straight-split
Split Linear Plain Bearings

tjum-pb
Split
Linear Plain Bearing Pillow Blocks

liner
Linear Plain Bearing Liners

fjum-pb
Flange Type Linear Plain Bearing Pillow Blocks

Precision shafting:

  • Tighter toleranced than standard Hardcoat™ products
  • Surface finish:surface-symbol
  • Straightness < 0.000085 in / in
  • Taper < 0.000100 in
  • Taper < 0.000100 in
  • Cut to Length
  • Pre-Drilled Available

Standard shafting:

  • 6061-T6 Aluminum Base Material
  • Hard Anodized to MIL-A-8625, Type III, Class I
  • Non-magnetic and vibration resistant
  • Interchangeable with standard shafting
  • Cut to Length
  • Pre-Drilled available

 

 

 

Technical Information

Nominal Dia. Standard Precision Hole Spacing Thread Weight / Inch (lbs.)
X Y
3/16 0.1863 / 0.1871 0.1865 / 0.1870 ----- ----- ----- 0.003
1/4 0.2488 / 0.2496 0.2490 / 0.2495 ----- ----- ----- 0.005
3/8 0.3738 / 0.3746 0.3740 / 0.3745 ----- ----- ----- 0.010
1/2 0.4988 / 0.4996 0.4990 / 0.4995 2 4 #6-32 0.019
5/8 0.6238 / 0.6246 0.6240 / 0.6245 2 4 #8-32 0.030
3/4 0.7488 / 0.7496 0.7490 / 0.7495 3 6 #10-32 0.043
1 0.9988 / 0.9996 0.9990 / 0.9995 3 6 1/4-20 0.077
1-1/4 1.2488 / 1.2496 1.2490 / 1.2495 3 6 5/16-18 0.120
1-1/2 1.4987 / 1.4995 1.4989 / 1.4994 4 8 3/8-16 0.173
2 1.9985 / 1.9995 1.9987 / 1.9994 4 8 1/2-13 0.308









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MANUFACTURERS
CONTACT US

Specialty Motions, Inc.
1801 Railroad Street
Corona, CA 92880

800.283.3411
951.735.8722

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