# Quick Change Tool Holder Metric - Steel

**Manufacturer:** Micro-Quik  
**MPN:** `QTHM-320L`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Micro-Quik |
| Manufacturer name | Micro-Quik |
| Manufacturer | Micro-Quik |
| CategoryId | 13099 |
| CategoryIdL1 | 8 |
| CategoryIdL2 | 8 |
| CategoryIdL3 | 7846 |
| CategoryIdL4 | 13099 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Workholding & Machine Tool Accessories |
| CategoryL3 | Milling & Drilling Toolholders |
| CategoryL4 | End Mill Holders |
| DimensionUnit | inch |
| GraingerSku | 18E344 |
| Extra Product Name | Quick Change Tool Holder Metric - Steel |
| UPC | 728709167229 |
| UnitOfMeasure | EA |
| Weight | 0.5 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 10 |
| extendedQty | -2 |
| height | 1.13 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 5.88 |
| moq | 1 |
| MPN | QTHM-320L |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G7823304 |
| tierMinQty1 | 1 |
| tierPrice1 | 170.19 |
| url | https://www.zoro.com/micro-quik-quick-change-tool-holder-metric-steel-qthm-320l/i/G7823304/ |
| width | 1.13 |
| Bore Dia | 3/16" |
| Overall Length | 5.8000 in |
| Shank Dia | 20.00mm |
| Shank Size | 3/16 in |
| Head Dia | 1-1/16 in |
| Item | Boring Bar Holder |
| Type | Quick Change Tool Holder |
| For Use With | Lathe Applications Requiring Longer Reach |
| Coolant Fed | Coolant Through |
| Style | Metric |
| Shank | .1875" |
| Series | QTHM |
| Shank Type - Machining | Straight |
| Finish - Machining | Black Oxide |
| Material - Machining | High Speed Steel |
| Finish | UN |
| Product Type | Boring Bar Holder |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G7823304 | 170.19 | 1 | None | 1 |
| Grainger | 18E344 | 208.5 | 1 | None | 1 |
| sustainablesupply.com | C1444537 | 177.22 | 1 | None | 1 |
| simsupply.com | ZO-G7823304 | 201.27 | 1 | 22 | 1 |

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Structured data: `/python/html6/product/500/24000000/24369500/part_--QTHM320L---MicroQuik--7baf3cabfa.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp