# Headed Press-Fit Drill Bushing (H), Standard Wall, Headed, Metric, 3.25 mm

**Manufacturer:** Zoro Select  
**MPN:** `H166DX`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 17202 |
| CategoryIdL1 | 2 |
| CategoryIdL2 | 17201 |
| CategoryIdL3 | 17202 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Cutting Tools |
| CategoryL3 | Drill Bushings |
| CategoryL4 | Press-Fit Bushings |
| DimensionUnit | inch |
| UPC | None |
| WeightUnit | lbs |
| diameter | 0.1279527559055118 |
| height | 0.1279527559055118 |
| height_Attrib | Inside Dia. |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 0.375 |
| length_Attrib | Overall Length |
| moq | 1 |
| MPN | H166DX |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | G3079469 |
| snippet | Headed Press-Fit Drill Bushing (H), Standard Wall, Headed, Metric, 3.25 mm |
| tierMinQty1 | 1 |
| tierPrice1 | 7.69 |
| url | https://www.zoro.com/zoro-select-drill-bushing-type-h-drill-size-325mm-h166dx/i/G3079469/ |
| width | 0.1279527559055118 |
| width_Attrib | Inside Dia. |
| Inside Dia | 3.25 mm |
| Outside Dia | 1/4 in |
| Head Dia | 23/64 in |
| Inside Dia Tolerance | +0.0001 in /+0.0005 in |
| Drill Size | 3.25 mm |
| Outside Dia Tolerance | +0.0016 in /+0.0013 in |
| Overall Length | 3/8 in |
| Length under Head | 3/8" |
| Size - Decimal | 13/32 in - 0.4062 |
| Hardness | Rc 62-64 |
| Bushing Type | Head Press Fit |
| Head Material | High Speed Steel |
| Head Thickness | 3/32" |
| Concentricity Tolerance | .0003" T.I.R. Max |
| Finish | High Speed Steel |
| Item | Headed Press-Fit Drill Bushing (H) |
| Rockwell Hardness | RC 62-64 |
| Measurement System | Metric |
| Drill Bushing Wall Type | Standard Wall |
| Material | 52100 Thru Hardened |
| Material - Machining | High Speed Steel |
| Bushing Head Type | Headed |
| Heat Treatment | Through Hardened |
| Head Type | Yes |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G3079469 | 7.69 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/136500000/136645000/part_--H166DX---ZoroSelect--6afbe3fde8.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp