1/4"-28 Grade 304 Stainless Steel Locking Helical Inserts
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| Style | Model | Insert Length | Drill Size | Free Coil Dia. | Finish | Display Qty | Tang Style | Series | Thread Direction | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | A3591-4CNW187 | 0.187" | G | 0.316" | Dry Film Lubricant | 100 | Tanged | HELI-COIL | Right Hand | 100 | €376.24 | |
| A | A3591-4CN313 | 0.313" | G | 0.316" | Plain | 100 | Tanged | HELI-COIL | Right Hand | 100 | €353.30 | |
| B | AT3591-4C500 | 1/2" | G | 0.316" | - | - | - | - | Right Hand | 100 | €127.98 | |
| B | AT3591-4CW500 | 1/2" | G | 0.316" | Dry Film Lubricant | 100 | Tangless | HELI-COIL | Right Hand | 100 | €133.55 | |
| A | A3591-4CNW500 | 1/2" | G | 0.316" | Dry Film Lubricant | 100 | Tanged | HELI-COIL | Right Hand | 100 | €206.22 | |
| B | T3591-4C500S | 1/2" | G | 0.316" | - | - | - | - | Right Hand | 500 | €1,182.92 | |
| C | 84717 | 1/2" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| A | 3591-4CN500S | 1/2" | G | 0.316" | Plain | 1000 | Tanged | HELI-COIL | Right Hand | 1000 | €889.38 | |
| A | A3591-4CN500 | 1/2" | G | 0.316" | Plain | 100 | Tanged | HELI-COIL | Right Hand | 100 | €190.97 | |
| B | T3585-4C500S | 1/2" | G | 0.33" | Plain | 500 | Tangless | Heli-Coil Tangless | Right Hand | 500 | €1,358.17 | |
| A | 3591-4CNW500S | 1/2" | G | 0.316" | Dry Film Lubricant | - | - | - | Right Hand | 500 | €1,243.31 | |
| B | AT3591-4C250 | 1/4" | G | 0.316" | Plain | 100 | Tangless | HELI-COIL | Right Hand | 100 | €103.84 | |
| A | A3591-4CNW250 | 1/4" | G | 0.316" | Dry Film Lubricant | 100 | Tanged | HELI-COIL | Right Hand | 100 | €174.73 | |
| B | T3585-4C250S | 1/4" | G | 0.33" | Plain | 1000 | Tangless | Heli-Coil Tangless | Right Hand | 1000 | €1,456.40 | |
| A | A3591-4CN250 | 1/4" | G | 0.316" | Plain | 100 | Tanged | HELI-COIL | Right Hand | 100 | €157.80 | |
| A | 3591-4CNW250S | 1/4" | G | 0.316" | Dry Film Lubricant | 1000 | Tanged | HELI-COIL | Right Hand | 1000 | €2,056.30 | |
| B | AT3591-4CW250 | 1/4" | G | 0.316" | Dry Film Lubricant | 100 | Tangless | HELI-COIL | Right Hand | 100 | €120.13 | |
| A | 3591-4CN250S | 1/4" | G | 0.316" | Plain | 1000 | Tanged | HELI-COIL | Right Hand | 1000 | €1,424.50 | |
| C | 84517 | 1/4" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| B | T3591-4C250S | 1/4" | G | 0.316" | Plain | 1000 | Tangless | Heli-Coil Tangless | Right Hand | 1000 | €2,657.25 | |
| C | 84917 | 3/4" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| B | AT3591-4C375 | 3/8" | G | 0.316" | Plain | 100 | Tangless | HELI-COIL | Right Hand | 100 | €121.84 | |
| C | 84617 | 3/8" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|
| B | T3585-4C375S | 3/8" | G | 0.33" | - | - | - | Heli-Coil Tangless | Right Hand | 1000 | €1,134.34 | |
| A | A3591-4CNW375 | 3/8" | G | 0.316" | Dry Film Lubricant | 100 | Tanged | HELI-COIL | Right Hand | 100 | €181.36 | |
| B | AT3591-4CW375 | 3/8" | G | 0.316" | Dry Film Lubricant | 100 | Tangless | HELI-COIL | Right Hand | 100 | €125.15 | |
| A | 3591-4CNW375S | 3/8" | G | 0.316" | Dry Film Lubricant | 1000 | Tanged | HELI-COIL | Right Hand | 1000 | €2,373.58 | |
| A | 3591-4CN375S | 3/8" | G | 0.316" | Plain | 1000 | Tanged | HELI-COIL | Right Hand | 1000 | €1,253.67 | |
| B | T3591-4C375S | 3/8" | G | 0.316" | Plain | 1000 | Tangless | Heli-Coil Tangless | Right Hand | 1000 | €1,790.03 | |
| A | A3591-4CN375 | 3/8" | G | 0.316" | Plain | 100 | Tanged | HELI-COIL | Right Hand | 100 | €172.13 | |
| C | 84817 | 5/8" | 17/64" | - | - | - | - | - | - | 100 | - | RFQ
|

