DEWALT DW5808 Review

Drilling into concrete, brick, or stone is a completely different challenge from boring through wood or metal. Standard twist bits simply cannot handle the hardness and abrasiveness of masonry — they overheat, dull within seconds, and leave you with a smoking tool and a barely scratched surface. That is why anyone working on construction sites, anchoring heavy fixtures, running conduit through walls, or performing demolition work needs a proper rotary hammer and a set of purpose-built bits. These tools combine a pounding hammer action with rotation, pulverising the material as they advance. The bit itself must be made from ultra-hard carbide, shaped with the right flute geometry to clear dust efficiently, and built to survive thousands of impact blows without snapping. Whether you are a professional tradesperson drilling anchor holes day after day or a determined DIYer tackling a single tough project, choosing the right drill bit makes the difference between a job that takes minutes and one that takes hours — or never gets finished at all.

SDS-Max rotary hammer bits are the heavy-duty standard for large-diameter drilling in concrete, reinforced concrete, and natural stone. Unlike the smaller SDS-Plus system used in lighter combi-hammers, SDS-Max is designed for tools with significantly higher impact energy — typically 5 joules and above. When shopping for an SDS-Max bit, the key things to look at are the carbide grade and head design (which determine cutting speed and how well the bit survives hitting rebar), the flute geometry (which affects dust removal and drilling speed), and the overall build quality. DEWALT has been a leading name in professional power tools and accessories for decades, and their Elite Series bits are positioned at the top of their masonry drilling range. Made in Germany using a proprietary iron blast strengthening process, these bits promise extreme durability and a no-break guarantee that shows serious confidence in the engineering.

In this review, we take a detailed look at the DEWALT DW5808, an 11/16-inch (17.5 mm) SDS-Max 4-cutter bit with an overall length of 546 mm. We cover the core specifications, the key design features that set it apart from standard 2-cutter bits, how it performs in real-world conditions including rebar encounters, what accessories and support come with it, and who this bit is best suited for. By the end, you will know whether this is the right masonry bit for your next project.

The DEWALT DW5808 is a single-piece SDS-Max rotary hammer drill bit with a diameter of 11/16 inch (approximately 17.5 mm), a usable drilling depth of 406 mm, and an overall length of 546 mm — giving you plenty of reach for deep anchor holes and through-wall penetrations. The bit features a full carbide head in a 4-cutter configuration, meaning it has four cutting edges rather than the two found on standard bits. This geometry spreads the impact force more evenly and increases the number of cutting surfaces, which DEWALT claims delivers twice the working life compared to conventional 2-cutter designs. The bit weighs approximately 0.61 kg and is designed exclusively for use with SDS-Max rotary hammers — it will not fit SDS-Plus chucks. It is sold individually, not as part of a set.

What really separates this Elite Series bit from budget alternatives is the manufacturing process. DEWALT uses what they call Iron Blast Technology — a proprietary treatment that strengthens the steel body of the bit at a molecular level, making it more resistant to the metal fatigue that eventually causes bits to snap under repeated hammering. The 4-cutter carbide head is not simply brazed on as an afterthought; the head geometry has been redesigned specifically to survive accidental strikes against rebar — the steel reinforcing bars embedded in structural concrete that destroy ordinary bits on contact. A spiral flute runs the length of the bit, efficiently channeling dust and debris out of the hole so the cutting edges stay in contact with fresh material rather than grinding through their own waste. There is also a wear mark indicator near the tip — when this mark is no longer visible, you know the bit has reached the end of its service life.

In everyday use, the DW5808 pairs with any standard SDS-Max rotary hammer — think DEWALT's own D25600 or DCH892 models, or equivalent tools from Bosch, Hilti, and Makita. Insertion and removal follow the standard SDS-Max tool-free system: pull back the locking sleeve, push the bit in until it clicks, and you are ready to go. The 4-cutter head starts holes cleanly without wandering, which is particularly noticeable when drilling overhead or on vertical surfaces where keeping a bit steady at the start is always tricky. The spiral flutes do an effective job of clearing dust, though — as with any deep masonry drilling — periodically withdrawing the bit to clear the hole will extend its life and speed up progress. The bit runs true without noticeable wobble when properly seated, which matters for hole accuracy when installing anchor bolts that need a precise fit.

The standout bonus feature is the No Break Guarantee. If the bit fails for any reason while the wear mark is still visible on the tip, DEWALT will replace it — no questions asked. This is an unusually confident warranty for a consumable item, and it speaks to how much trust the manufacturer places in the Iron Blast treatment. The bit is made in Germany, a country with a long reputation for precision metalworking and carbide manufacturing. The packaging includes a single SDS-Max drill bit; no additional accessories or case are provided, which is standard for individual bit purchases in this category.

In terms of physical dimensions, the bit measures 546 mm in overall length with a shank diameter compatible only with SDS-Max chucks. It weighs roughly 0.61 kg — substantial enough to feel solid and absorb vibration well, but not so heavy that it becomes tiring during extended overhead drilling. The product is sold on Amazon.fr at a price of approximately €61.34 and holds a perfect 5.0 out of 5 stars rating, though it is worth noting that this is based on a small sample of 2 customer reviews at the time of writing. The warranty information from the official DEWALT website indicates that specific warranty terms are not currently published for this item, but the No Break Guarantee serves as the primary consumer protection.

The DEWALT DW5808 is best suited for professional contractors and serious DIYers who need a large-diameter SDS-Max bit for drilling anchor holes, through-wall penetrations, and conduit passages in concrete, reinforced concrete, and masonry.