# Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 7/16 In.-14, Drill Bit Size U, External Thread Fit 2A, External Thread Size 7/16 In.-14, Finish Black Phosphate, Insert Diameter 7/16 in, Internal Thread Fit 2B, Internal Thread Size 1/4 In.-28, Material Steel, Material Grade/Class 12L14, Maximum Hole Diameter 0.368 in, Minimum Installation Depth 1/2 in, Overall Length 7/16 in, System of Measurement Inch, Thread Direction Right Hand, Thread Type Coarse

**Manufacturer:** Zoro Select  
**MPN:** `EZ-329-428`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 6985 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4387 |
| CategoryIdL3 | 6985 |
| CategoryL1 | Fasteners |
| CategoryL2 | Threaded Inserts |
| CategoryL3 | Self Locking Inserts |
| DimensionUnit | inch |
| GraingerSku | 807T91 |
| UPC | 847554010365 |
| UnitOfMeasure | EA |
| Weight | 0.42 |
| WeightUnit | lbs |
| cali_prop65_orglabel | True |
| cali_prop65_warnmsgscenario | 7 |
| cali_prop65_whtlabel | True |
| countryOfOrigin | US |
| height | 1.2 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 9 |
| moq | 1 |
| MPN | EZ-329-428 |
| multiple | 1 |
| qtyInStock | 1 |
| qtyInStockOverride | 1 |
| qtySource | qtyInStockOverride |
| SKU | G509228209 |
| tierMinQty1 | 1 |
| tierPrice1 | 38.49 |
| url | https://www.zoro.com/zoro-select-threaded-insert-for-metal-ez-329-428/i/G509228209/ |
| width | 5 |
| Internal Thread Size | 1/4"-28 |
| External Thread Size | 7/16"-14 |
| Insert Diameter | 7/16 in |
| Drill Bit Size | U |
| Overall Length | 7/16 in |
| Minimum Installation Depth | 1/2 in |
| Compatible Tap Size | 7/16"-14 |
| Maximum Hole Diameter | 0.368 in |
| Item | Self Locking Thread Insert |
| Material | Steel |
| Includes | (10) Threaded Inserts, Drill, Tap and Drive-Tool |
| Brinell Hardness | 163 |
| Wall Type | Standard Wall |
| Thread Type | Coarse |
| Finish | Black Phosphate |
| Material Grade/Class | 12L14 |
| System of Measurement | Inch |
| Installation Method | Drive Tool, Screwdriver |
| Compatible Material | Metal |
| Drive Type | Slotted |
| Tensile Strength | 78,300 psi |
| Features | Easy to use Solution for Repairing or Reinforcing Tapped Holes in Metal, Everything Needed for Installation in a Convenient Kit, Ideal for Soft Metals, Like Aluminum, Cast Iron and Magnesium |
| Internal Thread Fit | 2B |
| External Thread Fit | 2A |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G509228209 | 38.49 | 1 | 1 | 1 |

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Structured data: `/python/html6/product/500/27000000/27090500/part_--EZ329428---ZoroSelect--5c55e0d5df.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp