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Product Specifications:
| Item | UNF Locking Insert |
| Display Qty | 100 |
| Drill Size | G |
| Finish | Dry Film Lubricant |
| Free Coil Dia. | 0.316" |
| Grade | 304 |
| Hardness | Rockwell C43-C50 |
| Helical Insert Type | Screw Locking |
| Insert Length | 1/2" |
| Material | Stainless Steel |
| Material Grade/class | 18-8 |
| Overall Length | 1/2" |
| Product Datasheet | helicoil-7587-3-2.pdf |
| Rockwell Hardness | C43-C50 |
| Series | HELI-COIL |
| Sti Tap Size | 1/4"-28 |
| System Of Measurement | Imperial |
| Tang Style | Tangless |
| Tensile Strength | 200000 psi to 250000 psi |
| Thread Direction | Right Hand |
| Thread Size | 1/4"-28 |
| Thread Type | Fine |
Shipping Info:
| Ship weight (kg) | 0.13 |
| Ship height (cm) | 5.08 |
| Ship length (cm) | 10.16 |
| Ship width (cm) | 9.4 |
| Country of Origin | US |
Documentation:
Product Variants
| Model | Insert Length | Drill Size | Free Coil Dia. | Finish | Display Qty | Tang Style | Series | Thread Direction | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 84517 | 1/4" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| 84617 | 3/8" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| 84717 | 1/2" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| 84817 | 5/8" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| 84917 | 3/4" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| 3591-4CN250S | 1/4" | G | 0.326" | Plain | 1000 | Tanged | HELI-COIL | Right Hand | 1000 | €1,424.50 | |
| 3591-4CN375S | 3/8" | G | 0.326" | Plain | 1000 | Tanged | HELI-COIL | Right Hand | 1000 | €1,253.67 |
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HELICOIL AT3591-4CW500 UNF Locking Insert, 1/4 In - 28 Thread Size, SS, 1/2 In Insert Lg., Gr. 304, Dry Film Lubricant
€133.55 /pack

