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Product Specifications:
| Item | Hex Head Cap Screw |
| Class | Not Applicable |
| Drive | Hex |
| Fastener Length | 2 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 | 2 1/2" |
| Material | Steel |
| Material Grade/class | Grade 5 |
| Material Quality Standards | Sae J429 |
| Min. Thread Length | 7/8" |
| Overall Length | 2 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) | 1.36 |
| Ship height (cm) | 6.35 |
| Ship length (cm) | 17.78 |
| Ship width (cm) | 10.16 |
| Country of Origin | US |
Product Variants
| Product | Model | Thread Style | Thread Length | Fastener Length | Min. Thread Length | Tensile Strength | Hardness | Rockwell Hardness | Head Height | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
U01000.031.0137 | Partially Threaded | 7/8" | 1 3/8" | 7/8" | 120000 psi | Rockwell C19 | Hrc19 | 13/64" | 100 | €49.87 | |
![]() |
U01000.031.0162 | Partially Threaded | 7/8" | 1 5/8" | 7/8" | 120000 psi | Rockwell C19 | Hrc19 | 13/64" | 100 | €52.96 | |
![]() |
U01000.031.0175 | Partially Threaded | 7/8" | 1 3/4" | 7/8" | 120000 psi | Rockwell C19 | Hrc19 | 13/64" | 50 | €19.43 | |
![]() |
U01000.031.0200 | Partially Threaded | 7/8" | 2" | 7/8" | 105000 psi | Rockwell C19 | Hrc19 | 13/64" | 50 | €23.86 | |
![]() |
U01000.031.0225 | Partially Threaded | 7/8" | 2 1/4" | 7/8" | 120000 psi | Rockwell C19 | Hrc19 | 13/64" | 50 | €23.57 | |
![]() |
U01000.031.0250 | Partially Threaded | 7/8" | 2 1/2" | 7/8" | 120000 psi | Rockwell C19 | Hrc19 | 13/64" | 50 | €25.61 | |
![]() |
U01000.031.0275 | Partially Threaded | 7/8" | 2 3/4" | 7/8" | 120000 psi | Rockwell C19 | Hrc19 | 13/64" | 50 | €25.90 |
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GRAINGER N01000.031.0250 Hex Head Cap Screw, 5/16 In - 18 Thread Size, Steel, 2 1/2 In Lg., 13/64 In Head Ht., Coarse
€35.74 /pack


