# 135 Heavy-Duty Cobalt Jobber Length Drill Chicago-Latrobe 550-TN TiN HSS-CO 8% (M42) RHS/RHC Let-L

**Manufacturer:** Chicago-Latrobe  
**MPN:** `54111`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Chicago-Latrobe |
| Manufacturer name | Chicago-Latrobe |
| Manufacturer | Chicago-Latrobe, CHICAGO-LATROBE, Greenfield, Greenfield Industries |
| CategoryId | 7778 |
| CategoryIdL1 | 2 |
| CategoryIdL2 | 2 |
| CategoryIdL3 | 9553 |
| CategoryIdL4 | 7778 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Cutting Tools |
| CategoryL3 | Drill Bits |
| CategoryL4 | Jobber Length Drill Bits |
| DimensionUnit | inch |
| GraingerSku | 6ZJY4 |
| Extra Product Name | 135 Heavy-Duty Cobalt Jobber Length Drill Chicago-Latrobe 550-TN TiN HSS-CO 8% (M42) RHS/RHC Let-L |
| UPC | 662355541111 |
| UnitOfMeasure | EA |
| Weight | 0.06, 1.0, 1.00, 1.5873282864 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.3 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 4.4 |
| moq | 1 |
| MPN | 54111 |
| multiple | 1 |
| qtyInStock | 1 |
| qtyInStockOverride | 1 |
| qtySource | qtyInStockOverride |
| SKU | G3733782 |
| tierMinQty1 | 1 |
| tierPrice1 | 13.99 |
| url | https://www.zoro.com/chicago-latrobe-135-heavy-duty-cobalt-jobber-length-drill-chicago-latrobe-550-tn-tin-hss-co-8-m42-rhsrhc-let-l-54111/i/G3733782/ |
| width | 0.3 |
| Part Number | 54111 |
| Product Group | BISS |
| Drill Bit Dimension Type | Letter |
| Drill Bit Size | L |
| Shank Dia | 9/32 in |
| Overall Length | 4 1/4 in |
| Flute Length | 2 15/16 in |
| Maximum Drilling Depth | 2 3/16 in |
| Depth:Dia Ratio | 4xD |
| Depth x Dia Ratio | 4xD |
| Shank Length | 1 5/16 in |
| Drill Point Length | 0.0000 in |
| Drill Length Class | Jobber Length |
| Drill Diameter Tolerance | +0.0000 in/-0.0010 in |
| Drill Bit Grouping | Drill Bit |
| Item | Jobber Length Drill Bit |
| Drill Bit Point Angle | 135 Degrees |
| Drill Bit Material | Cobalt |
| Decimal Equivalent | 0.2900 |
| Drill Bit Finish | TiN |
| Material | Cobalt, Cobalt Steel, High Speed Steel, Stainless Steel |
| Flute Type | Spiral |
| Coolant Fed | Non-Coolant Through |
| Cutting Direction | Right Hand |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G3733782 | 13.99 | 1 | 1 | 1 |
| Grainger | 6ZJY4 |  |  | None | 1 |
| Global Industrial | WBB2543262 | 144.0 | 1 | None | 1 |
| Guardian | 60064029 | 23.54 | 1 | None | 1 |
| heavydutydepot.com | 54111 | 10.78 | 1 | None | 12 |
| usmegastore.com | 54111 | 12.29 | 1 | None | 1 |
| simsupply.com | ZO-G3733782 | 22.81 | 1 | None | 1 |
| National Supply Network | 60064029 | 19.52 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/95000000/95442000/part_--54111---ChicagoLatrobe--dac41d1f44.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp