# Micro 100

**Manufacturer:** Micro 100  
**MPN:** `QZST-322-SR20`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Micro 100 |
| Manufacturer name | Micro 100 |
| Manufacturer | Micro 100, Micro 100 Tool Corporation |
| DimensionUnit | inch |
| GraingerSku | 18E395 |
| Extra Product Name | Micro 100 |
| UPC | 728709167748 |
| UnitOfMeasure | EA |
| Weight | 0.6, 0.77 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 5 |
| height | 1.63 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.38 |
| moq | 1 |
| MPN | QZST-322-SR20 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | 0 |
| qtySource | qtyInStockOverride |
| SKU | G8058671 |
| tierMinQty1 | 1 |
| tierPrice1 | 273.90 |
| url | https://www.zoro.com/micro-100-quick-change-swiss-holder-qzst-322-sr20/i/G8058671/ |
| width | 3 |
| EAN | 728709167748 |
| Part Number | QZST-322-SR20 |
| Model | QZST-322-SR20 |
| Product Group | BISS |
| Item | Boring Head Holder |
| For Use With | Star Swiss Machine Models SR-20/SB-16/SB-20R/SR-10J/SR-20J/JN |
| Bore Dia | 3/16 in |
| Shank | .1875" |
| Style | Inch, 4.7625 I.D. Holder |
| Overall Length | 2.3840 in |
| Series | QZST |
| Shank Type - Machining | Straight |
| Shank Dia | 22.00mm |
| Holder Length | 1.0060 in |
| Inside Dia | 3/16 in |
| Measurement System | Fractional Inch |
| Finish - Machining | Black Oxide |
| Product Type | Boring Head Holder |
| Country of Origin (subject to change) | United States |
| ASIN | B00QCKHX6Q |
| AdultProduct | False |
| Amount | 249.00 |
| Asin | B00QCKHX6Q |
| Autographed | False |
| Binding | Misc. |
| Brand | Micro 100 |
| Bullet_point | Designed for use with the .1875", .2500", and .3125" diameter shank quick change tools, Proprietary Micro-Quik quick change system maximizes productivity through reliable accuracy and locational repea |
| Case | 1 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161, 257513011, 383598011 |
| ClassificationId | 401558011 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G8058671 | 273.9 | 1 | None | 1 |
| Grainger | 7DU04 |  |  | None | 1 |
| Raptor Supplies | AA8GBC | 445.666221 | 1 | None | 1 |
| AmazonTP | B00QCKHX6Q | 237.83 | 1 | None | 1 |
| AmazonSC | B00QCKHX6Q | 243.59 | 1 | None | 1 |
| sustainablesupply.com | C1444588 | 308.34 | 1 | None | 1 |
| simsupply.com | ZO-G8058671 | 288.84 | 1 | 47 | 1 |

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Structured data: `/python/html6/product/500/251500000/251858000/part_--QZST322SR20---Micro100--e057f4e424.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp