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

**Manufacturer:** Micro 100  
**MPN:** `QBT-070400X`

The MICRO 100 QBT-070400X Quick Change Boring Tool features a solid carbide construction with AlTiN coating. It has a minimum bore diameter of 0.070" (1.78 mm) and a maximum bore depth of 0.400" (10.2 mm). The tool includes a top rake chip breaker and has a projection of 0.015" (0.38 mm) and a tool radius of 0.004" (0.10 mm). The overall length is 1-1/2" (38 mm) with a shank diameter of 0.1875" (4.8 mm).

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Micro 100 |
| Manufacturer name | Micro 100 |
| Manufacturer | Micro 100, Micro 100 Tool Corporation |
| DimensionUnit | inch |
| GraingerSku | 15T838 |
| Extra Product Name | Boring Bar, 1-1/2 in L, Carbide |
| UPC | 728709154908 |
| UnitOfMeasure | EA |
| Weight | 0.02, 0.019999795837257382, 0.01999979583725738309580138 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 5 |
| height | 0.25 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1.75 |
| moq | 1 |
| MPN | QBT-070400X |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | 0 |
| qtySource | qtyInStockOverride |
| SKU | G8137315 |
| tierMinQty1 | 1 |
| tierPrice1 | 34.60 |
| url | https://www.zoro.com/micro-100-boring-bar-1-12-in-l-carbide-qbt-070400x/i/G8137315/ |
| width | 0.25 |
| EAN | 728709154908 |
| Part Number | QBT-070400X |
| Model | QBT-070400X |
| Product Group | BISS |
| Shank Dia | 3/16 in |
| Overall Length | 1-1/2 in |
| Bore Dia | .070" |
| Bore Depth | .400" |
| Radius | 0.0040 in |
| Min Bore Dia | 0.0700 in |
| Max Bore Depth | 0.4000 in |
| Corner Radius | 0.004" |
| Neck Dia | 0.0550" |
| Split Length | 0.080" |
| Groove Width | 0.0430" |
| Item | Boring Bar |
| Cutting Direction | Right Hand |
| Material | C2 Micrograin Carbide, Carbide |
| Shank Material | Carbide |
| Application | For Boring Top Rake |
| Finish | AlTiN Coated |
| Angle | .015" |
| Projection | 0.0150 in |
| Offset Point | -0.0240 in |
| Features | Coolant Fed Enabled Shank Design;Corner Radius Profile;Polished Face for Reducing Galling |
| Series | QBT |
| Boring Bar Type | Top Rake Chipbreaker |
| Overhang | 0.5900 in |
| ASIN | B00Q8LSN86 |
| AdultProduct | False |
| Amount | 31.45, 32.95, 37.05 |
| Asin | B00Q8LSN86 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G8137315 | 34.6 | 1 | None | 1 |
| Grainger | 15T838 |  |  | None | 1 |
| Raptor Supplies | AA7CKA | 55.7445915 | 1 | None | 1 |
| sustainablesupply.com | C1443379 | 50.9 | 1 | None | 1 |
| simsupply.com | ZO-G8137315 | 43.24 | 1 | 22 | 1 |

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Structured data: `/python/html6/product/500/93000000/93010000/part_--QBT070400X---Micro100--897d18e5a9.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp