# Boring Bar, 3 in L, Carbide

**Manufacturer:** Micro 100  
**MPN:** `QRB-2001000X`

The Micro 100 QRB-2001000X Quick Change Reverse Boring Tool is a solid carbide tool with an AlTiN coating, featuring a minimum bore diameter of 0.200" (5.08 mm) and a maximum bore depth of 1.000" (25.4 mm). The tool has a tool head length of 0.113" (2.87 mm), a projection of 0.090" (2.29 mm), and a tool radius of 0.008" (0.20 mm). It is designed for reverse boring from the inside, toward the face of the part, and has a polished split face for improved edge retention and chip evacuation.

## 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 | 15U137 |
| Extra Product Name | Boring Bar, 3 in L, Carbide |
| UPC | 728709163719 |
| UnitOfMeasure | EA |
| Weight | 0.04, 0.022046001167587297, 0.0220460011675872978142162 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 5 |
| height | 0.44 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 3.25 |
| moq | 1 |
| MPN | QRB-2001000X |
| multiple | 1 |
| qtyInStock | 1 |
| qtyInStockOverride | 1 |
| qtySource | qtyInStockOverride |
| SKU | G8225612 |
| tierMinQty1 | 1 |
| tierPrice1 | 39.05 |
| url | https://www.zoro.com/micro-100-boring-bar-3-in-l-carbide-qrb-2001000x/i/G8225612/ |
| width | 0.44 |
| EAN | 728709163719 |
| Part Number | QRB-2001000X |
| Model | QRB-2001000X |
| Product Group | BISS |
| Overall Length | 3 in |
| Shank Dia | 1/4 in |
| Bore Dia | .200" |
| Bore Depth | 1.00" |
| Radius | 0.0080 in |
| Min Bore Dia | 0.2000 in |
| Max Bore Depth | 1 in |
| Groove Width | 0.1130" |
| Neck Dia | 0.1100" |
| Corner Radius | 0.008" |
| Item | Boring Bar |
| Cutting Direction | Right Hand |
| Material | C2 Micrograin Carbide, Carbide |
| Shank Material | Carbide |
| Application | For Reverse Boring |
| Angle | .090" |
| Finish | AlTiN Coated |
| Projection | 0.0900 in |
| Measurement System | Fractional Inch |
| Finish - Machining | AlTiN |
| Compatible with Product Type | Micro-Quik Tool Holder |
| Cutting Application | Reverse Boring |
| Center to Cutting Tip | 0.0750 in |
| Overhang | 1.3530 in |
| ASIN | B00Q8NL6II |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G8225612 | 39.05 | 1 | 1 | 1 |
| Grainger | 15U137 |  |  | None | 1 |
| Walmart | 50507335 | 46.99 | 1 | None | 1 |
| Raptor Supplies | AA7CYC | 59.0519475 | 1 | None | 1 |
| sustainablesupply.com | C1444239 | 53.82 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/44000000/44230000/part_--QRB2001000X---Micro100--c29327dddc.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp