# 0.0550" (1.4 mm) Min Bore DIA x 0.400" Max Bore Depth x 0.0130" Projection x 0.1875" (3/16) Shank DIA x 1.50" (1-1/2) Overall Length x 0.003" Corner Radius - Carbide Quick Change - Boring Standard Right Hand, AlTiN Coated

**Manufacturer:** Micro 100  
**MPN:** `QBB3-050400X`

The Micro 100 QBB3-050400X Boring Tool is a right-hand tool designed for facing and boring applications in bores 0.055" and larger. It features a polished split face for improved edge retention and chip evacuation, and a split geometry for rigidity. The tool has a 3/16" shank diameter and a 1-1/2" overall length, and is coated with AlTiN. It is designed for use with coolant and is suitable for applications requiring a 0.003" corner radius.

## 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 | 0.4 |
| height | 0.4 |
| height_Attrib | Max. Bore Dia. |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1.5 |
| length_Attrib | Overall Length |
| moq | 1 |
| MPN | QBB3-050400X |
| multiple | 1 |
| qtyInStock | -2 |
| qtyInStockOverride | -2 |
| qtySource | qtyInStockOverride |
| SKU | G405308456 |
| tierMinQty1 | 1 |
| tierPrice1 | 38.35 |
| url | https://www.zoro.com/micro-100-carbide-quick-change-boring-standard-right-hand-altin-coated-qbb3-050400x/i/G405308456/ |
| width | 0.4 |
| width_Attrib | Max. Bore Dia. |
| Shank Dia | 0.1875" (3/16) |
| Overall Length | 1.50" (1-1/2) |
| Max Bore Dia | 0.400" |
| Neck Dia (In ) | 0.0370" |
| Min Bore | 0.0550" (1.4 mm) |
| Projection | 0.0130" |
| Finish | AlTiN |
| Left/Right Hand | right hand |
| Offset | -0.0438" |
| ASIN | B09ZLQFMWZ |
| AdultProduct | False |
| Amount | 38.30, 39.90 |
| Asin | B09ZLQFMWZ |
| Autographed | False |
| Brand | Micro 100 |
| Bullet_point | Coolant fed enabled shank design, Corner radius profile, Designed for facing and boring applications in bores .055" and larger, Polished split face for improved edge retention and chip evacuation whil |
| ClassificationId | 256257011 |
| Currency | USD |
| CurrencyCode | USD |
| DisplayName | Boring Bars |
| Height | 0.19, 17, 200 |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | Micro 100 QBB3-050400X Boring Tool - Right Hand - Quick Change, 055" Min Bore Dia, 400" Max Bore Depth, 013" Proj, .0438" Offset, 003" Corner Rad, 3/16" Shank Dia, 1-1/2" OAL, AlTiN |
| Item_name | Micro 100 QBB3-050400X Boring Tool - Right Hand - Quick Change, 055" Min Bore Dia, 400" Max Bore Depth, 013" Proj, .0438" Offset, 003" Corner Rad, 3/16" Shank Dia, 1-1/2" OAL, AlTiN |
| Item_type_keyword | boring-bars |
| Keyword | QBB3-050400X |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G405308456 | 38.35 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/187000000/187223000/part_--QBB3050400X---Micro100--f78eec4c27.json`  
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MCP server: https://www.dataalchemy.com/mcp