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Bsc Preferred
Alloy Steel Thread-Locking Socket Head Screw 1/4-20 Thread Size 1 Long, 25PK
Mfr # 91205A542
Zoro # G311397056
product price: $27.39
/pk 25, $1.10/ea
$27.39
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Key Features
- Screw Length 1"
- Material Black-Oxide Alloy Steel
- Color silver blue
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Product Information
- Brand Bsc Preferred
- MFR # 91205A542
- Zoro # G311397056
- Country of Origin China
- Category Socket Head Cap Screws
Dimensions
| Screw Length | 1" |
Details
| Material | Black-Oxide Alloy Steel |
| Color | silver blue |
Description
With a tensile strength of 170000 psi these alloy steel screws are stronger than Grade 8 steel screws and are nearly two and a half times stronger than stainless steel thread-locking screws. Their black-oxide finish provides mild corrosion resistance in dry environments. A nylon patch bonded to the threads adds friction to resist loosening from vibration. Screws are reusable but their holding power lessens with each use. Length is measured from under the head.Coarse threads are the industry standard; choose these screws if you dont know the pitch or the threads per inch.Screws that meet ASTM A574 comply with specifications and testing requirements for material quality. Screws that meet ASME B18.3 and ISO 4762 formerly DIN 912 comply with specifications for dimensional standards.
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