# 0.2500" (1/4) Min Bore DIA x 0.500" (1/2) Max Bore Depth x 0.0400" Projection x 0.3125" (5/16) Shank DIA x 2.50" (2-1/2) Overall Length x 0.004" Corner Radius - Carbide Quick Change - Boring Top Rake Chipbreaker Right Hand, AlTiN Coated

**Manufacturer:** Micro 100  
**MPN:** `PBT4-230500X`

The Micro 100 PBT4-230500X Boring Tool features top rake chipbreaker geometry for freer cutting and is optimized for finishing operations. It has a polished face to reduce galling and a corner radius profile. The tool's 1/4" minimum bore diameter and 1/2" maximum bore depth allow for precise work. It has a 5/16" shank diameter and measures 2-1/2" overall length, with a 040" projection and 0738" offset.

## 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 | 0.5 |
| height | 0.5 |
| height_Attrib | Max. Bore Dia. |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.5 |
| length_Attrib | Overall Length |
| moq | 1 |
| MPN | PBT4-230500X |
| multiple | 1 |
| qtyInStock | -2 |
| qtyInStockOverride | -2 |
| qtySource | qtyInStockOverride |
| SKU | G905308550 |
| tierMinQty1 | 1 |
| tierPrice1 | 51.09 |
| url | https://www.zoro.com/micro-100-carbide-quick-change-boring-top-rake-chipbreaker-right-hand-altin-coated-pbt4-230500x/i/G905308550/ |
| width | 0.5 |
| width_Attrib | Max. Bore Dia. |
| Shank Dia | 0.3125" (5/16) |
| Overall Length | 2.50" (2-1/2) |
| Neck Dia (In ) | 0.1900" |
| Max Bore Dia | 0.500" (1/2) |
| Min Bore | 0.2500" (1/4) |
| Projection | 0.0400" |
| Offset | 0.0738" |
| Left/Right Hand | right hand |
| Finish | AlTiN |
| ASIN | B09JWW7BXP |
| AdultProduct | False |
| Amount | 49.20, 53.10 |
| Asin | B09JWW7BXP |
| Autographed | False |
| Brand | Micro 100 |
| Bullet_point | Corner radius profile, Lockdown flat automatically locates tool on center, Optimized for finishing operations, Polished face for reducing galling, Top rake geometry provides freer cutting |
| ClassificationId | 256257011 |
| Currency | USD |
| CurrencyCode | USD |
| DisplayName | Boring Bars |
| Height | 0.31, 17, 200 |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | Micro 100 PBT4-230500X Boring Tool - Top Rake Chipbreaker, 1/4" Min Bore Dia, 1/2" Max Bore Depth, 040" Proj, 0738" Offset, 004" Corner Rad, 5/16" Shank Dia, 2-1/2" OAL, AlTiN |
| Item_name | Micro 100 PBT4-230500X Boring Tool - Top Rake Chipbreaker, 1/4" Min Bore Dia, 1/2" Max Bore Depth, 040" Proj, 0738" Offset, 004" Corner Rad, 5/16" Shank Dia, 2-1/2" OAL, AlTiN |
| Item_type_keyword | boring-bars |
| Keyword | PBT4-230500X |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G905308550 | 51.09 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/253000000/253241500/part_--PBT4230500X---Micro100--89488d311f.json`  
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