# 3-1/8" x 24" SDS-MAX Tunnel Bit

**Manufacturer:** Makita  
**MPN:** `B-66313`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Makita |
| Manufacturer name | Makita |
| Manufacturer | Makita |
| CategoryId | 5877 |
| CategoryIdL1 | 2 |
| CategoryIdL2 | 2 |
| CategoryIdL3 | 9553 |
| CategoryIdL4 | 5877 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Cutting Tools |
| CategoryL3 | Drill Bits |
| CategoryL4 | Hammer Drill Bits |
| DimensionUnit | inch |
| GraingerSku | 55FD45 |
| Extra Product Name | 3-1/8" x 24" SDS-MAX Tunnel Bit |
| UPC | 088381539173 |
| UnitOfMeasure | EA |
| Weight | 5.74, 1.0, 5.8, 5.80, 6.3493131456 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | FR |
| extendedLead | 15 |
| extendedQty | -2 |
| height | 3.5 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 25.1 |
| moq | 1 |
| MPN | B-66313 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G0603286 |
| tierMinQty1 | 1 |
| tierPrice1 | 398.93 |
| url | https://www.zoro.com/makita-3-18-x-24-sds-max-tunnel-bit-b-66313/i/G0603286/ |
| width | 3.5 |
| Overall Length | 24 in |
| Maximum Drilling Depth | 18 in |
| Drill Bit Size | 3 1/8 in |
| Promotion Restriction | Not eligible for promotion |
| Item | Hammer Drill Bit |
| Decimal Equivalent | 3.125 |
| Cutting Direction | Right Hand |
| Number of Flutes | 2 |
| Impact Rated | No |
| Percussion Rated | Yes |
| Shank Type - Machining | SDS Max |
| Material - Machining | Carbide |
| Measurement System | Fractional Inch |
| Primary Material Application | Concrete, Masonry |
| For Tool Type | Rotary Hammer |
| Finish - Machining | Bright (Uncoated) |
| ASIN | B07T4F3W78 |
| AdultProduct | False |
| Amount | 554.88, 620.00 |
| Asin | B07T4F3W78 |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G0603286 | 398.93 | 1 | None | 1 |
| AceTool | MAK-B-66313 | 377.0 | 1 | None | 1 |
| Platt.com | 1841201 | 513.67 | 1 | 1 | 1 |

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Structured data: `/python/html6/product/500/185000000/185034000/part_--B66313---Makita--2614624aa9.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp