Diamond Core Bits & Milling Cutters Wera

The Wera 845 Hex Shank Single Flute Countersink in 8.3mm offers a versatile mid-small size suitable for a broad range of countersinking and deburring tasks. It sits comfortably between the smallest an more→d mid-range sizes, making it a practical choice for everyday use across various fixing sizes. The 1/4" hexagon shank ensures maximum power transfer whilst the single-flute geometry promotes efficient chip evacuation, preventing build-up and reducing wear on both bit and workpiece. The result is a clean, smooth countersink finish achieved with minimal vibration and no risk of scratching the surrounding surface. Compatible with holders to DIN ISO 1173-D 6.3, this bit slots neatly into professional …

The Wera 846 3-Flute Countersink Bit in 6.3mm is the smallest in the range, making it ideal for light deburring, chamfering, and countersinking tasks where precision in tighter applications is essenti more→al. This compact size is well-suited to smaller fastener heads and fine metalwork. Constructed to DIN 335-C standard with a 90° cutting angle and three precision cutters, it delivers clean, accurate countersinks with minimal effort. The ¼" hex shank provides excellent power transfer and fits holders conforming to DIN ISO 1173-D 6.3. Finely-tuned material elasticity ensures lasting durability, while the triple-flute design guarantees efficient chip evacuation and a low tilt risk throughout use. F…

The Wera 845 Hex Shank Single Flute Countersink in 6.3mm is the smallest in the range, making it ideally suited to lighter countersinking and deburring work on smaller fixings and finer applications. more→This compact size offers precise control whilst retaining all the hallmark quality Wera is renowned for. The 1/4" hexagon shank delivers excellent power transfer from tool to workpiece, and the single-flute design guarantees clean, efficient chip removal with every pass. Operation is vibration-free and scratch-free, ensuring the surrounding material surface is fully protected and a high-quality countersink finish is achieved consistently. Compatible with holders as per DIN ISO 1173-D 6.3, this bit …

The Wera 846 3-Flute Countersink Bit in 8.3mm offers a versatile mid-small size suitable for a wide range of everyday deburring, chamfering, and countersinking tasks. It provides a step up from the 6. more→3mm variant and is well-suited to slightly larger fastener applications without sacrificing control. Built to DIN 335-C standard with a 90° cutting angle and three precision cutters, this bit delivers consistently clean results. The ¼" hex shank ensures strong power transfer and compatibility with DIN ISO 1173-D 6.3 holders. The finely-tuned material elasticity gives the bit excellent resilience, and the triple-flute geometry keeps chips clearing freely while keeping tilt risk low. Features and Be…

The Wera 845 Hex Shank Single Flute Countersink in 10.4mm is a popular mid-range size, well suited to countersinking and deburring standard-sized fixings across a wide variety of materials. Its size m more→akes it a highly practical all-rounder for trade and workshop environments. Built around a 1/4" hexagon shank, it delivers excellent power transfer while keeping operation completely vibration-free and scratch-free. The single-flute design allows for efficient chip removal, helping to maintain a clean work surface and prolong the working life of the bit. The finish left by this countersink is consistently smooth and professional. Compatible with DIN ISO 1173-D 6.3 holders, it integrates effortlessly …

The Wera 846 3-Flute Countersink Bit in 10.4mm is a popular mid-range size, well-suited to general-purpose countersinking, chamfering, and deburring across a variety of materials and fastener sizes. I more→t strikes a practical balance between capability and control for workshop and site use alike. Compliant with DIN 335-C and featuring a 90° cutting angle with three precision cutters, this bit produces clean, accurate results every time. Its ¼" hex shank delivers excellent power transfer and is compatible with DIN ISO 1173-D 6.3 holders. Finely-tuned material elasticity provides durability under demanding use, while the triple-flute design ensures smooth chip removal and a low tilt risk. Features an…

The Wera 845 Hex Shank Single Flute Countersink in 12.4mm is well suited to countersinking and deburring larger fixings, offering a size that handles heavier-duty applications with confidence. It is a more→n excellent choice for joinery, metalwork, and construction tasks where a clean, accurate countersink on a larger fixing is required. The 1/4" hexagon shank ensures strong, reliable power transfer, whilst the single-flute geometry keeps chips clearing freely throughout the operation. Working with this bit is vibration-free and scratch-free, protecting both the tool and the workpiece surface and delivering a high-quality finish every time. Suitable for use with DIN ISO 1173-D 6.3 compatible holders …

The Wera 846 3-Flute Countersink Bit in 12.4mm is ideally suited to medium-to-larger fastener countersinking, chamfering, and deburring applications where a wider cutting diameter is needed. This size more→is a practical choice for those working regularly with larger screws or bolts in metal fabrication and joinery. Manufactured to DIN 335-C with a 90° cutting angle and three precision cutters, it produces clean, professional-quality countersinks. The ¼" hex shank ensures reliable power transfer and fits holders to DIN ISO 1173-D 6.3. The finely-tuned material elasticity maintains durability through extended use, and the triple-flute construction promotes efficient chip evacuation while keeping ti…

The Wera 845 Hex Shank Single Flute Countersink in 16.5mm is a large-format option designed for demanding countersinking and deburring work on sizeable fixings and components. Its generous diameter ma more→kes it particularly well suited to heavy joinery, structural metalwork, and fabrication applications. Despite its larger size, the 1/4" hexagon shank maintains excellent power transfer from driver to bit, and the single-flute design continues to deliver efficient, unobstructed chip removal. Operation remains vibration-free and scratch-free throughout, protecting the surrounding material whilst producing a consistently clean and accurate countersink profile. Compatibility with DIN ISO 1173-D 6.3 …

The Wera 846 3-Flute Countersink Bit in 16.5mm is designed for larger-scale countersinking, chamfering, and deburring tasks where a wider cutting diameter is required. This size is particularly useful more→for heavy-duty metalwork, larger fastener heads, and applications demanding a pronounced chamfer or countersink profile. Built to DIN 335-C with a 90° cutting angle and three precision cutters, it handles demanding work with ease while delivering consistently clean results. The ¼" hex shank provides very good power transfer and suits DIN ISO 1173-D 6.3 compatible holders. Finely-tuned material elasticity ensures the bit withstands tough conditions, and the triple-flute design keeps chips clear an…

The Wera 846 3-Flute Countersink Bit in 20.5mm is the largest in the range, making it the go-to choice for heavy-duty countersinking, chamfering, and deburring of large fastener seatings and substanti more→al chamfer profiles. It is well-suited to demanding metalworking and fabrication environments where maximum cutting diameter is required. Compliant with DIN 335-C and featuring a 90° cutting angle with three precision cutters, this bit handles the most challenging countersinking tasks with precision and control. The ¼" hex shank ensures excellent power transfer and compatibility with DIN ISO 1173-D 6.3 holders. Finely-tuned material elasticity delivers outstanding durability, while the triple-flute ge…

The Wera 845 Hex Shank Single Flute Countersink in 20.5mm is the largest in the range, built for heavy-duty countersinking and deburring on the biggest fixings and components. This size is the go-to c more→hoice for demanding professional applications in structural metalwork, heavy joinery, and fabrication where a large, precise countersink profile is required. The 1/4" hexagon shank delivers outstanding power transfer even at this larger diameter, and the single-flute design ensures chips are cleared rapidly and freely throughout each pass. As with all variants in the 845 series, operation is entirely vibration-free and scratch-free, safeguarding the workpiece surface and producing a professional-grade …