ASTM A108 Step Keystock 1/4"
(Pack of
1)
• Manufactured of Type 1018 Cold Finished Steel
• Oversized stock, ground down to dimensions per tolerances below
• Zinc-plated for corrosion resistance
12" pre-cut lengths
Type 1 Tolerances
Step width and base width dimensions: 0.000" to 0.002"
Step height/base height dimensions: –0.003" to +0.003"
Step height and base height dimensions: –0.004" to +0.004"
Type 2 Tolerances
Step width and base width dimensions: 0.000" to 0.002"
Step height/base height dimensions: –0.005" to +0.005"
Step height and base height dimensions: –0.005" to +0.005"
• Use for couplings, gears, sheaves, sprockets, pulleys or anything that keys to a shaft
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California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
Catalog page#: 6-60
Frequently Bought Together
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Keystock Square M8
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DIN 6880 Keystock Square 14mm
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ASTM A108 Keystock Square 1"
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ASTM A108 Keystock Square 1/4"
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Hitch Pin Presto Lock 1/2 x 4-1/4"
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Clevis Pin 1/2 x 1-3/4"
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Superbutt Connector 16 to 14 AWG Blue
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Superbutt Connector 22 to 18 AWG Red
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Hex Nut Grade 8 Alloy Steel 1/4-20
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Product Description
• Manufactured of Type 1018 Cold Finished Steel• Oversized stock, ground down to dimensions per tolerances below
• Zinc-plated for corrosion resistance
12" pre-cut lengths
Type 1 Tolerances
Step width and base width dimensions: 0.000" to 0.002"
Step height/base height dimensions: –0.003" to +0.003"
Step height and base height dimensions: –0.004" to +0.004"
Type 2 Tolerances
Step width and base width dimensions: 0.000" to 0.002"
Step height/base height dimensions: –0.005" to +0.005"
Step height and base height dimensions: –0.005" to +0.005"
• Use for couplings, gears, sheaves, sprockets, pulleys or anything that keys to a shaft
Technical Specifications
| Item#: | 55841 |
|---|---|
| Size | 5/16 x 1/4 " |
| Length | 12 " |
| Style | 2 |
| Material | Carbon Steel |
| Type | Standard |
| Step Width | 1/4 " |
| Base Width | 5/16 " |
| Step Height | 1/8 " |
| Base Height | 1/8 " |
| Finish | Bright Zinc |
| Grade | C1018 |
| Specifications | ASTM-A-108 |
| Length Tolerance | +.125 / -.125" |
| Rockwell Hardness | Not Specified |
| Thickness Tolerance | A or C Dimension '+/-.004"; B or D Dimension '+/-.005" |
| UNSPSC #: | 31163208 |
| TAA Compliant: | Yes |
| Weight: | 0.25 lb |
Product Restrictions
California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
