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System of Measurement System of Measurement |
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Thread Size Thread Size |
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Thread Pitch Thread Pitch |
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Size Size | Show |
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Size Size | Hide |
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Threading Threading |
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 | Fully Threaded |
 | Partially Threaded |
Head Type Head Type |
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 | Socket |
Fastener Strength Grade/Class Fastener StrengthGrade/Class |
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Drive Style Drive Style |
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Socket Head Profile Socket Head Profile |
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Material Material |
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Finish Finish |
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Thread Direction Thread Direction |
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Thread Type Thread Type |
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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Hardness Hardness |
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About Socket Head Screws
More
Alloy Steel Socket Head Screws
Fully Threaded
Partially Threaded
With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Screws that meet ASME B18.3, ASME B18.3.1M, ISO 21269, and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
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| Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M42 × 4.5 mm | |||||||||||
Black-Oxide Class 12.9 Alloy Steel | |||||||||||
| 100 | Fully Threaded | __ | Coarse | 63 | 42 | 32 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 000000 |
| 120 | Fully Threaded | __ | Coarse | 63 | 42 | 32 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 00000 |
| 180 | Partially Threaded | 96 | Coarse | 63 | 42 | 32 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 00000 |
| 200 | Partially Threaded | 96 | Coarse | 63 | 42 | 32 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 00000 |