What materials can this 6 mm x 400 mm SDS-plus drill bit safely drill?

It is engineered for hard, non-metallic masonry such as concrete, reinforced concrete, brick, block, stone, and mortar, and should not be used on metal, wood, or plastic.

What safety precautions should be taken when using this long masonry drill bit?

Always attach the bit to an SDS-plus compatible rotary hammer, wear safety glasses and hearing protection, keep a firm grip, apply steady moderate pressure, and avoid forcing the bit or drilling beyond its rated length to prevent breakage or excessive vibration.

Which power tools are compatible with this SDS-plus 6 mm x 400 mm drill bit?

Any hammer drill or rotary hammer that features an SDS-plus chuck, such as models from Milwaukee, Bosch, Hilti, and DeWalt, can securely hold and operate this bit.

Milwaukee, Techtronic Industries GmbH • 1

SDS-plus 6mm x 400mm drill

Masonry Drills

Product Insights

The SDS-plus 6 mm x 400 mm drill bit is a heavy-duty masonry bit designed for deep drilling into concrete, brick, stone, and mortar. Its extra-long 400 mm length enables reaching depths that standard 150-200 mm bits cannot, while the SDS-plus shank ensures secure, quick-change attachment to compatible rotary hammers. However, the specialized shank limits use to SDS-plus tools and the long profile can increase vibration and the risk of breakage if excessive force is applied.

Comparative Analysis

Compared with typical 6 mm masonry bits that are 150-200 mm long, this 400 mm SDS-plus bit offers uniquely deep penetration, making it the preferred choice for professionals needing to bore extensive holes in concrete while still fitting standard SDS-plus hammer drills.

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