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Product Specifications:
| Item | Hex Head Cap Screw |
| Class | Not Applicable |
| Drive | Hex |
| Fastener Length | 3 1/2" |
| Finish | Black Oxide |
| Grade | Grade 5 |
| Hardness | Rockwell C19 |
| 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 5 |
| Material Quality Standards | Sae J429 |
| Min. Thread Length | 7/8" |
| Minimum Thread Length | 7/8" |
| Overall Length | 3 1/2" |
| Rockwell Hardness | Hrc19 |
| System Of Measurement | Imperial |
| Tensile Strength | 120000 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) | 7.62 |
| Ship length (cm) | 17.78 |
| Ship width (cm) | 10.16 |
| Country of Origin | US |
Product Variants
| Product | Model | Thread Style | Hardness | Thread Direction | Head Type | Drive Size | Thread Fit | Thread Size | Material | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U01000.031.0137 | Partially Threaded | Rockwell C19 | Right Hand | Hex | - | 2A | 5/16"-18 | Steel | 100 | €45.51 | |
![]() |
U01000.031.0162 | Partially Threaded | Rockwell C19 | Right Hand | Hex | - | 2A | 5/16"-18 | Steel | 100 | €51.27 | |
![]() |
U01000.031.0175 | Partially Threaded | Rockwell C19 | Right Hand | Hex | - | 2A | 5/16"-18 | Steel | 50 | €22.71 | |
![]() |
U01000.031.0200 | Partially Threaded | Rockwell C19 | Right Hand | Hex | - | 2A | 5/16"-18 | Steel | 50 | €20.79 | |
![]() |
U01000.031.0225 | Partially Threaded | Rockwell C19 | Right Hand | Hex | - | 2A | 5/16"-18 | Steel | 50 | €22.54 | |
![]() |
U01000.031.0250 | Partially Threaded | Rockwell C19 | Right Hand | Hex | - | 2A | 5/16"-18 | Steel | 50 | €24.52 | |
![]() |
U01000.031.0275 | Partially Threaded | Rockwell C19 | Right Hand | Hex | - | 2A | 5/16"-18 | Steel | 50 | €30.06 |
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GRAINGER N01000.031.0350 Hex Head Cap Screw, 5/16 In - 18 Thread Size, 3 1/2 In Lg., 13/64 In Head Ht., Steel, Coarse, Blk Oxide
€48.48 /pack


