# Boring Bar, Reverse Boring, Bright (Uncoated), 0.0550 in, Micro-Quik Tool Holder

**Manufacturer:** Micro 100  
**MPN:** `QRB-180500`

The Micro 100 QRB-180500 Quick Change Reverse Boring Tool is a solid carbide tool designed for boring from the inside of a part towards its face. It features a polished split face for improved edge retention and chip evacuation, and a split geometry for added rigidity. The tool has a 0.180" minimum bore diameter and a 0.500" maximum bore depth, with a 0.250" shank diameter and 2" overall length.

## 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 | 728709163665 |
| GraingerSku | 15U132 |
| UPC | 728709163665 |
| UnitOfMeasure | EA |
| Weight | 0.04, 0.03999959167451476398698014, 0.039999591674514764 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.44 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.25 |
| moq | 1 |
| MPN | QRB-180500 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G8077237 |
| snippet | Boring Bar, Reverse Boring, Bright (Uncoated), 0.0550 in, Micro-Quik Tool Holder |
| tierMinQty1 | 1 |
| tierPrice1 | 34.95 |
| url | https://www.zoro.com/micro-100-boring-bar-2-in-l-carbide-qrb-180500/i/G8077237/ |
| width | 0.44 |
| EAN | 728709163665 |
| Part Number | QRB-180500 |
| Model | QRB-180500 |
| Product Group | BISS |
| Overall Length | 2 in |
| Shank Dia | 1/4 in |
| Bore Dia | .180" |
| Bore Depth | .500" |
| Radius | 0.0050 in |
| Max Bore Depth | 1/2 in |
| Min Bore Dia | 0.1800 in |
| Neck Dia | 0.1000" |
| Groove Width | 0.1000" |
| Corner Radius | 0.005" |
| Item | Boring Bar |
| Cutting Direction | Right Hand |
| Material | C2 Micrograin Carbide, Solid Carbide |
| Shank Material | Carbide |
| Application | For Reverse Boring |
| Angle | .080" |
| Finish | Uncoated |
| Projection | 0.0800 in |
| Finish - Machining | Bright (Uncoated) |
| Cutting Application | Reverse Boring |
| Boring Bar Type | Reverse Boring |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G8077237 | 34.95 | 1 | None | 1 |
| Grainger | 15U132 | 37.86 | 1 | None | 1 |
| Walmart | 50504171 | 40.0 | 1 | None | 1 |
| Raptor Supplies | AA7CXX | 52.8841755 | 1 | None | 1 |
| Amazon | B00Q8NKVX4 | 31.7 | 1 | None | 1 |
| sustainablesupply.com | C1444234 | 44.78 | 1 | None | 1 |
| simsupply.com | ZO-G8077237 | 47.33 | 1 | 9 | 1 |

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Structured data: `/python/html6/product/500/85500000/85813000/part_--QRB180500---Micro100--149f5e4646.json`  
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MCP server: https://www.dataalchemy.com/mcp