FREE delivery on orders over €150
Product Specifications:
| Item | UNC Free Running Insert |
| Display Qty | 100 |
| Drill Size | H |
| Finish | Plain |
| Grade | 304 |
| Hardness | Rockwell C43-C50 |
| Helical Insert Type | Free Running |
| Insert Length | 1/4" |
| Material | Stainless Steel |
| Material Grade/class | 18-8 |
| Overall Length | 1/4" |
| Product Datasheet | helicoil-7587-3-2.pdf |
| Rockwell Hardness | C43-C50 |
| Series | HELI-COIL |
| Sti Tap Size | 1/4"-20 |
| System Of Measurement | Imperial |
| Tang Style | Tangless |
| Tang Type | Tangless |
| Tensile Strength | 200000 psi to 250000 psi |
| Thread Direction | Right Hand |
| Thread Size | 1/4"-20 |
| Thread Type | Coarse |
Shipping Info:
| Ship weight (kg) | 0.09 |
| Ship height (cm) | 5.08 |
| Ship length (cm) | 1.02 |
| Ship width (cm) | 9.4 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Insert Length | Free Coil Dia. | Tang Type | Finish | Thread Type | Thread Direction | Tensile Strength | Hardness | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
84016 | 1/4" | - | Tanged | - | - | Right Hand | - | - | 100 | - | RFQ
|
![]() |
84116 | 3/8" | - | Tanged | - | - | Right Hand | - | - | 100 | - | RFQ
|
![]() |
84216 | 1/2" | - | Tanged | - | - | Right Hand | - | - | 100 | - | RFQ
|
![]() |
84316 | 5/8" | - | Tanged | - | - | Right Hand | - | - | 100 | - | RFQ
|
![]() |
84416 | 3/4" | - | Tanged | - | - | Right Hand | - | - | 100 | - | RFQ
|
![]() |
R1185-4 | 3/8" | 8/25" | Tanged | Plain | Coarse | Right Hand | 200000 psi to 250000 psi | Rockwell C43-C50 | 12 | €32.67 | |
![]() |
1185-4CN250S | 1/4" | 0.33" | Tanged | Plain | Coarse | Right Hand | 200000 psi to 250000 psi | Rockwell C43-C50 | 1000 | €1,457.35 |
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HELICOIL AT1185-4C250 UNC Free Running Insert, 1/4 In - 20 Thread Size, Tangless, 1/4 In Insert Lg., H Drill Size
€95.96 /pack

