Description
Overview
The DB SDS-PLUS FCH 4C 1-1/4X16X18 (DMAPL4330) is designed for hammer drilling applications requiring carbide-tipped SDS-Plus bits in masonry, concrete, and similar hard substrates.
| Specification | Detail |
|---|---|
| MPN | DMAPL4330 |
| Brand | DIABLO |
| Diameter | 1-1/4 in. |
| Overall Length | 21 in. |
| Shank Type | SDS-Plus |
| Tip Material | Carbide |
| Head Geometry | 4-Cutter (4C) H Configuration |
Technical Features
- Carbide tip construction: Provides hardened cutting performance suited for penetrating masonry, concrete, and block without premature tip wear.
- 4-Cutter (4C) head geometry: Four cutting edges distribute impact force evenly across the bore, promoting faster material removal and reduced bit deflection.
- 1-1/4 in. diameter: Delivers a large-diameter bore in a single pass, eliminating the need for stepped drilling on anchor or conduit installations.
- 21 in. overall length: Extended reach allows drilling through thick walls or deep embedment depths without requiring extensions.
- SDS-Plus shank: Engages the tool’s rotary-hammer chuck with a positive lock, enabling efficient energy transfer from hammer mechanism to bit while allowing controlled axial movement during impact cycles.
Applications
- Drilling large-diameter holes in concrete, block, and masonry for anchor bolt installation
- Core-point hammer drilling through thick concrete walls or slabs
- Conduit and sleeve penetrations requiring a 1-1/4 in. bore
- Compatible with any SDS-Plus rotary hammer accepting large-diameter bits
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