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Product Specifications:
| Item | Hex Head Cap Screw |
| Drive | Hex |
| Fastener Length | 3 1/2" |
| Finish | Zinc Yellow |
| Grade | Grade 8 |
| Hardness | Rockwell C33-C39 |
| Head Height | 13/64" |
| Head Style | Hex |
| Head Type | Hex |
| Head Width | 1/2" |
| Hex Head Cap Screw Type | Hex Head Cap Screw |
| Length | 3 1/2" |
| Material | Steel |
| Material Grade/class | Grade 8 |
| Material Quality Standards | Sae J429 |
| Min. Thread Length | 7/8" |
| Overall Length | 3 1/2" |
| Rockwell Hardness | Hrc33 |
| System Of Measurement | Imperial |
| Tensile Strength | 150000 psi |
| Thread Direction | Right Hand |
| Thread Fit | 2A |
| Thread Length | 7/8" |
| Thread Size | 5/16"-18 |
| Thread Style | Partially Threaded |
| Thread Type | Coarse |
Shipping Info:
| Ship weight (kg) | 1.85 |
| Ship height (cm) | 8.64 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 9.65 |
| HS code | 7318158066 |
| Country of Origin | US |
Product Variants
| Product | Model | Thread Style | Min. Thread Length | Thread Direction | Max. Temp. | Min. Temp. | Head Type | Drive Size | Hardness | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U04104.031.0150 | Partially Threaded | 7/8" | Right Hand | - | - | Hex | - | Rockwell C33-C39 | 100 | €36.77 | |
![]() |
U04104.031.0350 | Partially Threaded | 7/8" | Right Hand | - | - | Hex | - | Rockwell C33-C39 | 50 | €37.93 | |
![]() |
U04104.031.0050 | Fully Threaded | 1/2" | Right Hand | - | - | Hex | - | Rockwell C33-C39 | 100 | €20.69 | |
![]() |
U04104.031.0075 | Fully Threaded | 3/4" | Right Hand | - | - | Hex | 1/2" | Rockwell C33-C39 | 100 | €19.39 | |
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U04104.031.0100 | Fully Threaded | 1" | Right Hand | - | - | Hex | - | Rockwell C33-C39 | 100 | €30.85 | |
![]() |
U04104.031.0125 | Fully Threaded | 1 1/4" | Right Hand | - | - | Hex | - | Rockwell C33-C39 | 100 | €25.33 | |
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N04104.031.0050 | Fully Threaded | 1/2" | Right Hand | - | - | Hex | - | Rockwell C33-C39 | 100 | €24.36 |
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Contact us
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NUCOR N04104.031.0350 Hex Head Cap Screw, 5/16 In - 18 Thread Size, Steel, 3 1/2 In Lg., 13/64 In Head Ht., Coarse
€51.49 /pack




