# Quick Change, Holemaking Tools, Spade Drill, 0.3125" (5/16) Drill dia, Finish: AlTiN

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

The Micro 100 QSD-312X Quick Change Spade Drill features a solid carbide construction with an AlTiN coating for durability. It has a 0.312" drill diameter, 0.040" web thickness, and an 18° included angle of flutes. The drill is designed for drilling in hardened materials and features a proprietary Micro-Quik quick change system for reliable accuracy and locational repeatability. Its coolant-fed enabled shank design and self-centering point geometry make it an excellent option for 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 | 2 |
| CategoryIdL3 | 9553 |
| CategoryIdL4 | 16025 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Cutting Tools |
| CategoryL3 | Drill Bits |
| CategoryL4 | Solid Spade Drill Bits |
| DimensionUnit | inch |
| GraingerSku | QSD-312X |
| Extra Product Name | Quick Change, Holemaking Tools, Spade Drill, 0.3125" (5/16) Drill dia, Finish: AlTiN |
| UPC | None, 728709165836 |
| WeightUnit | lbs |
| diameter | 0.3125 |
| extendedLead | 26 |
| extendedQty | -2 |
| height | 0.3125 |
| height_Attrib | Shank Dia. |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.5 |
| length_Attrib | Overall Length |
| moq | 1 |
| MPN | QSD-312X |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G0995884 |
| tierMinQty1 | 1 |
| tierPrice1 | 50.00 |
| url | https://www.zoro.com/micro-100-quick-change-holemaking-tools-spade-drill-03125-516-drill-dia-finish-altin-qsd-312x/i/G0995884/ |
| width | 1.272 |
| width_Attrib | Max. Bore Depth |
| EAN | 728709165836 |
| Part Number | QSD-312X |
| Model | QSD-312X |
| Product Group | BISS |
| Drill Bit Size | 5/16" |
| Overall Length | 2-1/2" |
| Flute Length | 0.860" |
| Max Bore Depth | 1.272" |
| Shank Dia | 5/16" |
| Finish | AlTiN |
| Point Angle | 118 Degrees |
| ASIN | B00QCJ9M2U |
| AdultProduct | False |
| Amount | 45.20, 53.25 |
| Asin | B00QCJ9M2U |
| 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 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G0995884 | 50.0 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/247000000/247416500/part_--QSD312X---Micro100--a8851d27f1.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp