# Boring Bar, 2-1/2 in L, Carbide

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

The Micro 100 QRB-200750X Quick Change Reverse Boring Tool features a solid carbide tool with AlTiN coating, suitable for boring from the inside of a part toward its face. It has a minimum bore diameter of 0.200" and a maximum bore depth of 0.750". The tool head length is 0.113" and the projection is 0.090". It also features a 0.008" tool radius and a 0.2500" shank diameter, with an overall length of 2.5".

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Micro 100 |
| Manufacturer name | Micro 100 |
| Manufacturer | Micro 100, Micro 100 Tool Corporation |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Cutting Tools |
| CategoryL3 | Indexable Tools |
| DimensionUnit | inch |
| GraingerSku | 15U143 |
| Extra Product Name | Boring Bar, 2-1/2 in L, Carbide |
| UPC | 728709163771 |
| UnitOfMeasure | EA |
| Weight | 0.05, 0.04999999995807048, 0.04999999995807048102311310 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 10 |
| extendedQty | -2 |
| height | 0.44 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.75 |
| moq | 1 |
| MPN | QRB-200750X |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G7897811 |
| tierMinQty1 | 1 |
| tierPrice1 | 39.05 |
| url | https://www.zoro.com/micro-100-boring-bar-2-12-in-l-carbide-qrb-200750x/i/G7897811/ |
| width | 0.44 |
| EAN | 728709163771 |
| Part Number | QRB-200750X |
| Model | QRB-200750X |
| Product Group | BISS |
| Overall Length | 2-1/2 in |
| Shank Dia | 1/4 in |
| Bore Dia | .200" |
| Bore Depth | .750" |
| Radius | 0.0080 in |
| Min Bore Dia | 0.2000 in |
| Max Bore Depth | 3/4 in |
| Corner Radius | 0.008" |
| Neck Dia | 0.1100" |
| Groove Width | 0.1130" |
| Item | Boring Bar |
| Cutting Direction | Right Hand |
| Material | C2 Micrograin Carbide, Solid Carbide |
| Shank Material | Carbide |
| Application | For Reverse Boring |
| Angle | .090" |
| Finish | AlTiN Coated |
| Projection | 0.0900 in |
| Boring Bar Type | Reverse Boring |
| Center to Cutting Tip | 0.0750 in |
| Cutting Application | Reverse Boring |
| Finish - Machining | AlTiN |
| Features | Coolant Fed Enabled Shank Design;Inside Corner Radius Profile;Split Geometry |
| Overhang | 1.3530 in |
| ASIN | B00Q8NLIPO |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G7897811 | 39.05 | 1 | None | 1 |
| Raptor Supplies | AA7CYJ | 61.0184835 | 1 | None | 1 |
| sustainablesupply.com | C1444245 | 52.21 | 1 | None | 1 |
| simsupply.com | ZO-G7897811 | 54.48 | 1 | 3 | 1 |

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Structured data: `/python/html6/product/500/164500000/164659500/part_--QRB200750X---Micro100--68e8a18bb5.json`  
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MCP server: https://www.dataalchemy.com/mcp