Self-Locking Insert Kit, System of Measurement Inch, Insert Diameter Not Applicable, Internal Thread Size #10-24, 1/2 In.-13, 1/4 In.-20, 3/8 In.-16, 5/16 In.-18, Thread Direction Right Hand, Thread Type Coarse, Overall Length 13/32 in, 7/16 in, 31/64 in, 33/64 in, 21/32 in, Number of Pieces 46, Number of Sizes 4, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Wall Type Heavy Wall, Compatible Material Metal, Manufacturer Location Made in USA, Drive Type Slotted
Self-Locking Insert Kit, System of Measurement Inch, Insert Diameter Not Applicable, Internal Thread Size #10-24, 1/2 In.-13, 1/4 In.-20, 3/8 In.-16, 5/16 In.-18, Thread Direction Right Hand, Thread Type Coarse, Overall Length 13/32 in, 7/16 in, 31/64 in, 33/64 in, 21/32 in, Number of Pieces 46, Number of Sizes 4, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Wall Type Heavy Wall, Compatible Material Metal, Manufacturer Location Made in USA, Drive Type Slotted
Gallery
Attributes
| Brand name, Manufacturer name, Manufacturer | E-Z Lok |
|---|---|
| CategoryId, CategoryIdL3 | 17163 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4387 |
| CategoryL1 | Fasteners |
| CategoryL2 | Threaded Inserts |
| CategoryL3 | Thread Repair Kits |
| DimensionUnit | inch |
| GTIN, UPC | 839137004823 |
| GraingerSku | 4ZE84 |
| UnitOfMeasure | EA |
| Weight | 0.9 |
| WeightUnit | lbs |
| cali_prop65_orglabel, cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 1.7 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 6.4 |
| moq, multiple, tierMinQty1 | 1 |
| MPN | EZ-C303 |
| qtyInStock | 12 |
| qtyInStockOverride | -2 |
| SKU | G1451466 |
| tierPrice1 | 171.99 |
| url | https://www.zoro.com/e-z-lok-thread-repair-kit-self-locking-thread-inserts-plain-18-8-stainless-steel-46-inserts-ez-c303/i/G1451466/ |
| width | 4.6 |
| Thread Size | 1/4"-20 Internal Thread Size, 10-24 Internal Thread Size, 3/8"-16 Internal Thread Size, 5/16"-18 Internal Thread Size, 1/2"-13 Internal Thread Size |
| Item | Thread Repair Kit |
| Insert Types Included | Self Locking Thread Inserts |
| Insert Material | 18-8 Stainless Steel |
| Finish | Plain |
| Thread Type | UNC |
| Number of Inserts, Number of Pieces | 46 |
| System of Measurement | Inch |
| Compatible Material | Metal |
| Includes | (10) Each: 10-24, 1/4"-20, 5/16"-18, 3/8"-16, (6) Each: 1/2"-13, Molded Plastic Case |
Distributor offers
| Seller | SKU | MOQ | In stock | Multiple | Prices |
|---|---|---|---|---|---|
| G1451466 | 1 | 12 | 1 | 1 @ $171.99 | |
| Grainger | 4ZE84 | 1 | 1 | ||
| Global Industrial | WBB435586 | 1 | 1 | 1 @ $30.95 | |
![]() Walmart | 661367710 | 1 | 1 | 1 @ $138.60 | |
![]() bscsource.com | EZC303 | 1 | 1 | 1 @ $200.69 | |
| National Supply Network | B435586 | 1 | 1 | ||
| sustainablesupply.com | C1256382 | 1 | -2 | 1 | 1 @ $143.29 |
| Guardian | 53316865 | 1 | 1 | ||
| ELKEZ-C303 | 1 | 1 | 1 @ $253.17 | ||
![]() MRO Supply | 6254134 | 1 | 1 | 1 @ $163.88 | |
![]() National Supply Network | 53316865 | 1 | -2 | 1 | 1 @ $283.76 |



