# 0.3125" (5/16) Drill DIA x 0.860" Flute Length Carbide Quick Change - Spade Drill, n/a Flutes

**Manufacturer:** Micro 100  
**MPN:** `QSD-312`

The Micro 100 QSD-312 Quick Change Spade Drill is designed for drilling in hardened materials. It features a 0.312" (7.92 mm) drill diameter, 0.040" (1.02 mm) web thickness, and 0.3125" (7.9 mm) shank diameter. The proprietary Micro-Quik quick change system enables reliable accuracy and locational repeatability. With a 118° point angle and 5/16" diameter, this tool is ideal for applications requiring holes free of retrack marks in non-ferrous materials.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Micro 100 |
| Manufacturer name | Micro 100 |
| Manufacturer | Micro 100, Micro 100 Tool Corporation |
| CategoryId | 16025 |
| CategoryIdL1 | 2 |
| CategoryIdL2 | 9553 |
| CategoryIdL3 | 16025 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Cutting Tools |
| CategoryL3 | Drill Bits |
| CategoryL4 | Solid Spade Drill Bits |
| DimensionUnit | inch |
| UPC | None, 728709165829 |
| WeightUnit | lbs |
| diameter | 0.3125 |
| height | 0.3125 |
| height_Attrib | Shank Dia. |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.5 |
| length_Attrib | Overall Length |
| moq | 1 |
| MPN | QSD-312 |
| multiple | 1 |
| qtyInStock | -2 |
| qtyInStockOverride | -2 |
| qtySource | qtyInStockOverride |
| SKU | G0995866 |
| snippet | 0.3125" (5/16) Drill DIA x 0.860" Flute Length Carbide Quick Change - Spade Drill, n/a Flutes |
| tierMinQty1 | 1 |
| tierPrice1 | 49.45 |
| url | https://www.zoro.com/micro-100-quick-change-holemaking-tools-spade-drill-03125-516-drill-dia-finish-un-qsd-312/i/G0995866/ |
| width | 1.272 |
| width_Attrib | Max. Bore Depth |
| EAN | 728709165829 |
| Part Number | QSD-312 |
| Model | QSD-312 |
| Product Group | BISS |
| Drill Bit Size | 5/16" |
| Overall Length | 2-1/2" |
| Flute Length | 0.860" |
| Shank Dia | 5/16" |
| Max Bore Depth | 1.272" |
| Finish | UN |
| Point Angle | 118 Degrees |
| Package Quantity | 1 |
| ASIN | B00QCJ9E00 |
| AdultProduct | False |
| Amount | 43.30, 49.20 |
| Asin | B00QCJ9E00 |
| Autographed | False |
| Binding | Misc. |
| Brand | Micro 100 |
| Bullet_point | Coolant fed enabled shank design, Designed for drilling in hardened materials, Excellent option when requiring holes free of retrack marks in non-ferrous materials, Point geometry designed for self-ce |
| Case | 1 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 328182011, 468240, 552262, 552388, 552796 |
| ClassificationId | 552412 |
| Currency | USD |
| CurrencyCode | USD |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G0995866 | 49.45 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/204500000/204703000/part_--QSD312---Micro100--4437001348.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp