# Boring Bar Holder, QTHM, Overall Length 2.8000 in, Shank Type - Machining Straight, Shank Dia. 20.00mm, For Use With Lathe Applications Requiring Longer Reach, Coolant Fed Coolant Through, Finish - Machining Black Oxide

**Manufacturer:** Micro 100  
**MPN:** `QTHM-620`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Micro 100 |
| Manufacturer name | Micro 100 |
| Manufacturer | Micro 100, Micro 100 Tool Corporation |
| CategoryId | 13099 |
| CategoryIdL1 | 8 |
| CategoryIdL2 | 7846 |
| CategoryIdL3 | 13099 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Workholding & Machine Tool Accessories |
| CategoryL3 | Milling & Drilling Toolholders |
| CategoryL4 | End Mill Holders |
| DimensionUnit | inch |
| GraingerSku | 18E378 |
| UPC | 728709167564 |
| UnitOfMeasure | EA |
| Weight | 0.34, 0.000625, 0.349999999706493290, 0.3499999997064933 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 1.13 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 4 |
| moq | 1 |
| MPN | QTHM-620 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | -2 |
| SKU | G8042081 |
| tierMinQty1 | 1 |
| tierPrice1 | 129.99 |
| url | https://www.zoro.com/micro-100-quick-change-tool-holder-metric-steel-qthm-620/i/G8042081/ |
| width | 1.13 |
| EAN | 728709167564 |
| Part Number | QTHM-620 |
| Model | QTHM-620 |
| Product Group | BISS |
| Overall Length | 2.8000 in |
| Shank Dia | 20.00mm |
| Shank Size | 3/8 in |
| Head Dia | 1 in |
| Item | Boring Bar Holder |
| Type | Quick Change Tool Holder, Count, ean, gtin, upc |
| For Use With | Lathe Applications Requiring Longer Reach |
| Coolant Fed | Coolant Through |
| Style | Metric, 9.525 I.D. Holder |
| Shank | .3750" |
| Series | QTHM |
| Finish - Machining | Black Oxide |
| Material - Machining | High Speed Steel |
| Shank Type - Machining | Straight |
| Product Type | Boring Bar Holder |
| Package Quantity | 1 |
| ASIN | B00QCKEEOU |
| AdultProduct | False |
| Amount | 95.00 |
| Asin | B00QCKEEOU |
| Autographed | False |
| Batteries_required | False |
| Binding | Misc. |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G8042081 | 129.99 | 1 | None | 1 |
| Grainger | 18E378 |  |  | None | 1 |
| Raptor Supplies | AA8GAJ | 231.8612985 | 1 | None | 1 |
| AmazonTP | B00QCKEEOU | 153.97 | 1 | None | 1 |
| AmazonUNK | B00QCKEEOU | 153.97 | 1 | None | 1 |
| sustainablesupply.com | C1444571 | 140.4 | 1 | None | 1 |
| simsupply.com | ZO-G8042081 | 153.94 | 1 | 9 | 1 |

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Structured data: `/python/html6/product/500/236000000/236108000/part_--QTHM620---Micro100--c759c23570.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp