# Quick Change, Countersink and Chamfer Tool, 0.3125" (5/16) Shank dia, Included Angle: 90 Degrees

**Manufacturer:** Micro 100  
**MPN:** `QCS-312-090`

The Micro 100 QCS-312-090 Countersink and Chamfer Tool features a 90° included angle, a 060" non-cutting tip diameter, and a 126" long overall length. It has a 5/16" shank diameter and is designed for use with a coolant-fed shank. This tool is available with various included angles, including 60°, 82°, 90°, 100°, and 120°. It is suitable for countersinking and chamfering applications.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Micro 100 |
| Manufacturer name | Micro 100 |
| Manufacturer | Micro 100, Micro 100 Tool Corporation |
| CategoryId | 16022 |
| DimensionUnit | inch |
| GraingerSku | QCS-312-090 |
| Extra Product Name | Quick Change, Countersink and Chamfer Tool, 0.3125" (5/16) Shank dia, Included Angle: 90 Degrees |
| UPC | None |
| 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 | QCS-312-090 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G0985174 |
| tierMinQty1 | 1 |
| tierPrice1 | 46.85 |
| url | https://www.zoro.com/micro-100-quick-change-countersink-and-chamfer-tool-03125-516-shank-dia-included-angle-90-degrees-qcs-312-090/i/G0985174/ |
| width | 0.3125 |
| width_Attrib | Shank Dia. |
| Length of Cut | 0.126" |
| Overall Length | 2-1/2" |
| Flute Length | 0.277" |
| Shank Dia | 5/16" |
| Number of Flutes | 6 |
| Included Angle | 90 Degrees |
| Finish | UN |
| Package Quantity | 1 |
| ASIN | B00Q8M1XM8 |
| AdultProduct | False |
| Amount | 46.85, 53.20 |
| Asin | B00Q8M1XM8 |
| Autographed | False |
| Binding | Misc. |
| Brand | Micro 100 |
| Bullet_point | Available in 60 deg, 82 deg, 90 deg, 100 deg, and 120 deg included angles, Coolant fed enabled shank design, Designed for countersinking and chamfering, Multi-tooth for greater metal removal rates, Ti |
| ClassificationId | 256260011 |
| Currency | USD |
| CurrencyCode | USD |
| Cutting_angle_string | 90 |
| DisplayName | Combined Drill |
| Finish_type | Uncoated |
| Height | 0.437, 12, 17, 200, 51, 77 |
| Identifier | 00728709156131, 0728709156131, 728709156131 |
| IdentifierType | EAN, GTIN, UPC |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | Micro 100 QCS-312-090 Countersink and Chamfer Tool - Quick Change, 90° Included Angle, 060" Tip Dia, 126" LOC, 6 Fl, 5/16" Shank Dia, 2-1/2" OAL, Uncoated |
| Item_name | Micro 100 QCS-312-090 Countersink and Chamfer Tool - Quick Change, 90° Included Angle, 060" Tip Dia, 126" LOC, 6 Fl, 5/16" Shank Dia, 2-1/2" OAL, Uncoated |
| Item_package_quantity | 1 |
| Item_package_weight | 0.09 |
| Item_type_keyword | combined-drill-countersinks |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G0985174 | 46.85 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/80000000/80452000/part_--QCS312090---Micro100--972adea348.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp