# Boring Bar, Top Rake Chipbreaker, Bright (Uncoated), -0.0440 in, Micro-Quik Tool Holder

**Manufacturer:** Micro 100  
**MPN:** `QBT-050200`

The Micro 100 QBT-050200 is a Quick Change Boring Tool with a Top Rake Chip Breaker, featuring a solid carbide construction. It has a minimum bore diameter of 0.050" (1.27 mm) and a maximum bore depth of 0.200" (5.1 mm). The tool has a 0.005" (0.13 mm) projection and a 0.002" (0.05 mm) tool radius. It is designed for finishing operations with optimized geometry for freer cutting and a polished face to reduce galling.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Micro 100 |
| Manufacturer name | Micro 100 |
| Manufacturer | Micro 100, Micro 100 Tool Corporation |
| CategoryId | 6031 |
| CategoryIdL1 | 2 |
| CategoryIdL2 | 6049 |
| CategoryIdL3 | 6031 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Cutting Tools |
| CategoryL3 | Indexable Tools |
| CategoryL4 | Indexable Boring Bars |
| DimensionUnit | inch |
| GTIN | 728709154755 |
| GraingerSku | 15T823 |
| UPC | 728709154755 |
| UnitOfMeasure | EA |
| Weight | 0.02, 0.022046001167587297, 0.0220460011675872978142162 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.25 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1.75 |
| moq | 1 |
| MPN | QBT-050200 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G8046516 |
| snippet | Boring Bar, Top Rake Chipbreaker, Bright (Uncoated), -0.0440 in, Micro-Quik Tool Holder |
| tierMinQty1 | 1 |
| tierPrice1 | 31.29 |
| url | https://www.zoro.com/micro-100-boring-bar-1-12-in-l-carbide-qbt-050200/i/G8046516/ |
| width | 0.25 |
| EAN | 728709154755 |
| Part Number | QBT-050200 |
| Model | QBT-050200 |
| Product Group | BISS |
| Overall Length | 1-1/2 in |
| Shank Dia | 3/16 in |
| Bore Dia | .050" |
| Bore Depth | .200" |
| Radius | 0.0020 in |
| Min Bore Dia | 0.0500 in |
| Max Bore Depth | 0.2000 in |
| Corner Radius | 0.002" |
| Neck Dia | 0.0450" |
| Groove Width | 0.0160" |
| Split Length | 0.040" |
| Item | Boring Bar |
| Cutting Direction | Right Hand |
| Material | C2 Micrograin Carbide, Solid Carbide |
| Shank Material | Carbide |
| Application | For Boring Top Rake |
| Finish | Uncoated |
| Angle | .005" |
| Projection | 0.0050 in |
| Overhang | 0.5900 in |
| Measurement System | Fractional Inch |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G8046516 | 31.29 | 1 | None | 1 |
| Raptor Supplies | AA7CJJ | 49.275135 | 1 | None | 1 |
| sustainablesupply.com | C1443364 | 42.71 | 1 | None | 1 |
| simsupply.com | ZO-G8046516 | 43.01 | 1 | 47 | 1 |

---
Structured data: `/python/html6/product/500/202000000/202096000/part_--QBT050200---Micro100--c4e4b70296.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp