# Boring Bar, Reverse Boring, Bright (Uncoated), 0.0750 in, Micro-Quik Tool Holder

**Manufacturer:** Micro 100  
**MPN:** `QRB-200750`

The Micro 100 QRB-200750 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 rigidity. The tool has a 0.200" minimum bore diameter, 0.750" maximum bore depth, and a 0.250" shank diameter. It is suitable for use with coolant and has an inside corner radius profile.

## 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 |
| GraingerSku | 15U142 |
| UPC | 728709163764 |
| UnitOfMeasure | EA |
| Weight | 0.05, 0.04999948959314344, 0.0499994895931434412048338 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.44 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.75 |
| moq | 1 |
| MPN | QRB-200750 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G8370957 |
| snippet | Boring Bar, Reverse Boring, Bright (Uncoated), 0.0750 in, Micro-Quik Tool Holder |
| tierMinQty1 | 1 |
| tierPrice1 | 33.85 |
| url | https://www.zoro.com/micro-100-boring-bar-2-12-in-l-carbide-qrb-200750/i/G8370957/ |
| width | 0.44 |
| EAN | 728709163764 |
| Part Number | QRB-200750 |
| Model | QRB-200750 |
| Product Group | BISS |
| Shank Dia | 1/4 in |
| Overall Length | 2-1/2 in |
| Bore Dia | .200" |
| Bore Depth | .750" |
| Radius | 0.0080 in |
| Max Bore Depth | 3/4 in |
| Min Bore Dia | 0.2000 in |
| Groove Width | 0.1130" |
| Corner Radius | 0.008" |
| Neck Dia | 0.1100" |
| Item | Boring Bar |
| Cutting Direction | Right Hand |
| Material | C2 Micrograin Carbide, Solid Carbide |
| Shank Material | Carbide |
| Angle | .090" |
| Finish | Uncoated |
| Application | For Reverse Boring |
| Projection | 0.0900 in |
| Compatible with Product Type | Micro-Quik Tool Holder |
| Cutting Application | Reverse Boring |
| Offset Point | 0.0750 in |
| Boring Bar Type | Reverse Boring |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G8370957 | 33.85 | 1 | None | 1 |
| Grainger | 15U142 |  |  | None | 1 |
| Raptor Supplies | AA7CYH | 53.141166 | 1 | None | 1 |
| AmazonSC | B00Q8NLGVA | 52.16 | 1 | None | 1 |
| sustainablesupply.com | C1444244 | 45.63 | 1 | None | 1 |
| simsupply.com | ZO-G8370957 | 46.03 | 1 | 97 | 1 |

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Structured data: `/python/html6/product/500/206000000/206408000/part_--QRB200750---Micro100--1344b888e1.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp