# 0.3100" Min Bore DIA x 0.900" Max Bore Depth x 0.0730" Projection x 0.3125" (5/16) Shank DIA x 2.50" (2-1/2) Overall Length - Carbide Quick Change - Boring Standard Right Hand

**Manufacturer:** Micro 100  
**MPN:** `QBB-290900-000`

The Micro 100 QBB-290900-000 Boring Tool is designed for facing and boring applications in bores 0.055 inches and larger. It features a polished split face for improved edge retention and chip evacuation, reducing galling. The tool's split geometry provides rigidity, while the coolant-fed enabled shank design allows for efficient operation. The tool has a 5/16 inch shank diameter, 2-1/2 inch overall length, and measures 1338 inches offset from the center.

## 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 | None |
| UPC | None |
| WeightUnit | lbs |
| diameter | 0.9 |
| height | 0.9 |
| height_Attrib | Max. Bore Dia. |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.5 |
| length_Attrib | Overall Length |
| moq | 1 |
| MPN | QBB-290900-000 |
| multiple | 1 |
| qtyInStock | -2 |
| qtyInStockOverride | -2 |
| qtySource | qtyInStockOverride |
| SKU | G605308546 |
| snippet | 0.3100" Min Bore DIA x 0.900" Max Bore Depth x 0.0730" Projection x 0.3125" (5/16) Shank DIA x 2.50" (2-1/2) Overall Length - Carbide Quick Change - Boring Standard Right Hand |
| tierMinQty1 | 1 |
| tierPrice1 | 47.65 |
| url | https://www.zoro.com/micro-100-carbide-quick-change-boring-standard-right-hand-qbb-290900-000/i/G605308546/ |
| width | 0.9 |
| width_Attrib | Max. Bore Dia. |
| Shank Dia | 0.3125" (5/16) |
| Overall Length | 2.50" (2-1/2) |
| Max Bore Dia | 0.900" |
| Neck Dia (In ) | 0.2170" (5.5 mm) |
| Min Bore | 0.3100" |
| Projection | 0.0730" |
| Left/Right Hand | right hand |
| Finish | UN |
| Offset | 0.1338" |
| ASIN | B09ZLRR6D2 |
| AdultProduct | False |
| Amount | 47.55, 49.45 |
| Asin | B09ZLRR6D2 |
| Autographed | False |
| Brand | Micro 100 |
| Bullet_point | Coolant fed enabled shank design, Designed for facing and boring applications in bores .055" and larger, Polished split face for improved edge retention and chip evacuation while reducing galling, Sha |
| ClassificationId | 256257011 |
| Currency | USD |
| CurrencyCode | USD |
| DisplayName | Boring Bars |
| Height | 0.31, 17, 200 |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | Micro 100 QBB-290900-000 Boring Tool - Right Hand - Quick Change, 310" Min Bore Dia, 900" Max Bore Depth, 073" Proj, 1338" Offset, 5/16" Shank Dia, 2-1/2" OAL, Uncoated |
| Item_name | Micro 100 QBB-290900-000 Boring Tool - Right Hand - Quick Change, 310" Min Bore Dia, 900" Max Bore Depth, 073" Proj, 1338" Offset, 5/16" Shank Dia, 2-1/2" OAL, Uncoated |
| Item_type_keyword | boring-bars |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G605308546 | 47.65 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/237000000/237150000/part_--QBB290900000---Micro100--9182c46fc7.json`  
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MCP server: https://www.dataalchemy.com/mcp