# MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand - 15U174|QRB-4901000 - Grainger

**Manufacturer:** MICRO 100  
**MPN:** `QRB-4901000`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | MICRO 100 |
| Manufacturer name | MICRO 100 |
| Manufacturer | MICRO 100, Micro 100 Tool Corporation |
| DimensionUnit | inch |
| Extra Product Name | MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand - 15U174\|QRB-4901000 - Grainger |
| UNSPSC | 23171619 |
| diameter | 0.5 |
| height | 0.5 |
| height_Attrib | Shank Dia. |
| length | 3.0 |
| length_Attrib | Overall Length |
| moq | 1 |
| MPN | QRB-4901000 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 15U174 |
| tierMinQty1 | 1 |
| tierPrice1 | 96.45 |
| width | 1.0 |
| width_Attrib | Max. Bore Depth |
| UPC | 728709164105 |
| EAN | 728709164105 |
| Part Number | QRB-4901000 |
| Model | QRB-4901000 |
| Product Group | BISS |
| Item | Boring Bar |
| Boring Bar Type | Reverse Boring |
| Shank Dia | 1/2 in |
| Finish - Machining | Bright (Uncoated) |
| Center to Cutting Tip | 0.2400 in |
| Cutting Direction | Right Hand |
| Radius | 0.0080 in |
| Compatible with Product Type | Micro-Quik Tool Holder |
| Cutting Application | Reverse Boring |
| Features | Coolant Fed Enabled Shank Design;Inside Corner Radius Profile;Split Geometry |
| Max Bore Depth | 1 in |
| Measurement System | Fractional Inch |
| Min Bore Dia | 0.4900 in |
| Offset Point | 0.2400 in |
| Overall Length | 3 in |
| Overhang | 1.5400 in |
| Projection | 0.1600 in |
| Series | QRB |
| Shank Material | Carbide |
| ASIN | B00Q8NNJM4 |
| AdultProduct | False |
| Amount | 80.85 |
| Asin | B00Q8NNJM4 |
| Autographed | False |
| Binding | Misc. |
| Brand | Micro 100 |
| Bullet_point | Coolant fed enabled shank design, Designed to bore from the inside, toward the face of the part, Inside corner radius profile, Polished split face for improved edge retention and chip evacuation while |
| Case | 1 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161, 383598011 |
| ClassificationId | 256257011 |
| Currency | USD |
| CurrencyCode | USD |
| DisplayName | Boring Bars |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Grainger | 15U174 | 96.45 | 1 | None | 1 |
| Zoro | G8420124 | 93.19 | 1 | None | 1 |
| Raptor Supplies | AA7CZT | 134.707716 | 1 | None | 1 |
| sustainablesupply.com | C1444276 | 116.42 | 1 | None | 1 |
| simsupply.com | ZO-G8420124 | 110.4 | 1 | 9 | 1 |

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Structured data: `/python/html6/product/500/220000000/220125500/part_--QRB4901000---MICRO100--aaf326ece6.json`  
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