# Boneham

**Manufacturer:** Boneham  
**MPN:** `H4028JY`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Boneham |
| Manufacturer name | Boneham |
| Manufacturer | Boneham |
| DimensionUnit | inch |
| GraingerSku | 11G675 |
| Extra Product Name | Boneham |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 0.14 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | GB |
| extendedLead | 15 |
| extendedQty | -2 |
| height | 1.97 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 0.22 |
| moq | 1 |
| MPN | H4028JY |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G1988360 |
| tierMinQty1 | 1 |
| tierPrice1 | 9.51 |
| url | https://www.zoro.com/boneham-drill-bushing-h-drill-size-2564-in-h4028jy/i/G1988360/ |
| width | 0.22 |
| Item | Headed Press-Fit Drill Bushing (H) |
| Concentricity Tolerance | .0003" T.I.R. Max |
| Heat Treatment | Through Hardened |
| Outside Dia | 5/8 in |
| Head Dia | 51/64 in |
| Finish | High Speed Steel |
| Head Material | High Speed Steel |
| Material - Machining | High Speed Steel |
| Material | 52100 Thru Hardened |
| Length under Head | 1-3/4" |
| Bushing Type | Head Press Fit |
| Drill Size | 25/64 in |
| Measurement System | Fractional Inch |
| Outside Dia Tolerance | +0.0017 in /+0.0014 in |
| Rockwell Hardness | RC 62-64 |
| Inside Dia | 25/64 in |
| Overall Length | 1 3/4 in |
| Size- Decimal | 25/64" (0.3906) |
| Head Thickness | 7/32" |
| Bushing Head Type | Headed |
| Decimal Equivalent | 0.3906 |
| Drill Bushing Wall Type | Standard Wall |
| Hardness | Rc 62-64 |
| Inside Dia Tolerance | +0.0001 in /+0.0005 in |
| Head Type | Yes |
| Bushing Code | H |
| Size - Decimal | 1-45/64 in - 1.7031 |
| Flute Type | Spiral |
| Drill Bit Dimension Type | Fractional |
| Point Type | Split |
| Country of Origin (subject to change) | United Kingdom |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G1988360 | 9.51 | 1 | None | 1 |
| National Supply Network | 07325095 | 23.85 | 1 | None | 1 |
| freertool.com | BH-H4028JY | 14.59 | 1 | None | 1 |
| National Supply Network | 7325095 | 26.83 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/203000000/203215000/part_--H4028JY---Boneham--991acd698a.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp