# Tapered End Mill, 4 Deg, 0.188" Tip Dia

**Manufacturer:** Conical Tool  
**MPN:** `B-309C`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Conical Tool |
| Manufacturer name | Conical Tool |
| Manufacturer | Conical Tool, Conical Tool Company |
| DimensionUnit | inch |
| Extra Product Name | Tapered End Mill, 4 Deg, 0.188" Tip Dia |
| UnitOfMeasure | EA |
| Weight | 0.23, 0.09999999991614096, 0.0999999999161409620462262 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 7 |
| height | 0.47 |
| length | 5 |
| moq | 1 |
| MPN | B-309C |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | G9157843 |
| tierMinQty1 | 1 |
| tierPrice1 | 126.75 |
| url | https://www.zoro.com/conical-tool-tapered-end-mill-4-deg-0188-tip-dia-b-309c/i/G9157843/ |
| width | 0.47 |
| Part Number | B-309C |
| Model | B-309C |
| Product Group | BISS |
| Material - Machining | Sub-Micron Grain Carbide |
| End Mill Cutting Type | Center Cutting |
| Taper Angle Per Side | 2.0 Degrees |
| Length of Cut | 2 1/4 in |
| Overall Length | 4 in |
| Number of Flutes | 3 |
| Shank Dia | 3/8 in |
| Shank Type | Plain |
| Tip Diameter | 0.188" |
| Spiral Direction | Right Hand |
| Included Angle | 4 Degrees |
| Finish | Bright (Uncoated) |
| End Mill Material | Carbide |
| Cutting Direction | Right Hand |
| Large End Dia | 0.345 in |
| Item | Tapered End Mill |
| Helix Angle | 30 Degrees |
| Dimension Type | Fractional Inch |
| Taper Angle per Side | 2.0 Degrees |
| Series | TCX |
| End Type- Holemaking | Square End |
| Country of Origin (subject to change) | United States |
| ASIN | B019MPVXEU |
| AdultProduct | False |
| Asin | B019MPVXEU |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | Conical Tool, Conical Tool Company |
| Bullet_point | Multi-flute, three and four flute design allows for proper chip evacuation through a variety of materials and applications while maximizing machine performance when possible, Premium micro-grain carbi |
| Case | 1 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161, 256305011, 383598011, 5825198011 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G9157843 | 126.75 | 1 | None | 1 |
| Suncoast Tools | B-309C | 93.3 | 1 | None | 1 |
| AmazonSC | B019MPVXEU | 180.91 | 1 | None | 1 |
| Zoro | G0149698 | 80.36 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/113500000/113730500/part_--B309C---ConicalTool--33899da2f9.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp