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Steel Socket Head Screws
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Fully Threaded |
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Partially Threaded |
Made of alloy steel, these screws are the standard for high-strength fastening. Use them in high-load applications such as dies, presses, and heavy equipment. The deep, six-point socket keeps the hex key from slipping out and damaging the drive.
Length is measured from under the head.
Black-Oxide Alloy Steel—Typically chosen for their appearance, these screws have a dark, matte coating to create a finished look. They offer minimal corrosion resistance, so they're best for dry environments.
Stainless Steel Hex-Drive Shoulder Screws
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These screws hold up against moisture and chemicals better than their steel counterparts, but they aren't as strong.
Check out our Made-to-Order Stainless Steel Hex-Drive Shoulder Screws if you don't see the shoulder length you need.
Highly Corrosion-Resistant Black-Oxide 316 Stainless Steel—Combines a finished appearance with the rust resistance of 316 stainless steel. Even if the coating wears off, these screws will hold up against corrosive agents in most environments, including salt water and most chemicals.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Head, mm | Certificate | Each | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Shoulder Lg., mm | Thread Size | Thread Lg., mm | Dia. | Ht. | Drive Size, mm | Tensile Strength, psi | Specs. Met | Type | Form | 1-4 | 5-Up | |||
Highly Corrosion-Resistant Black-Oxide 316 Stainless Steel | ||||||||||||||
36 mm Diameter Shoulder (-0.072 mm to -0.01 mm Tolerance) | ||||||||||||||
| 50 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A946 | 000000 | 000000 | ||
| 60 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A947 | 00000 | 00000 | ||
| 70 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A949 | 00000 | 00000 | ||
| 80 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A951 | 00000 | 00000 | ||
| 90 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A953 | 00000 | 00000 | ||
| 100 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A954 | 00000 | 00000 | ||
| 120 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A955 | 00000 | 00000 | ||
| 130 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A956 | 000000 | 000000 | ||
| 140 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A957 | 000000 | 000000 | ||
| 150 | M33 × 3.5 mm | 40 | 54 | 22 | 17 | 70,000 | ISO 7379 | Material Certificate | Digital | 90269A958 | 000000 | 000000 | ||
