Bosch HSS-G pilot drill bit 6.35 mm diameter 102 mm length

The Bosch HSS-G pilot drill bit has a 6.35 mm diameter and a total length of 102 mm. Designed for use with a hexagon socket adapter (11 mm key width), this HSS-G pilot drill is intended to create precise pilot holes in a variety of materials. It is supplied in blister packaging and is suitable for both professional tradespeople and DIY enthusiasts who need clean, accurate starts for larger drilling or fastening operations.

Advantages

The HSS-G material provides good wear resistance and reliable cutting performance for general-purpose pilot drilling. Its 6.35 mm diameter and 102 mm length offer a balance between rigidity and reach for guiding larger drill bits or screws. Compatibility with a hexagon socket adapter (11 mm key width) ensures secure mounting and stable operation in powered drivers or holders.

Suitable for

Key specifications

How to use

Select the Bosch HSS-G pilot drill bit and fit it securely into a matching hexagon socket adapter. Clamp the adapter in the power driver or holder so the bit is straight and stable. Start drilling at low speed to establish the pilot hole, then increase speed as appropriate for the material. Apply steady pressure and allow the bit to cut without forcing to avoid breakage or wandering.

Recommendations

Use cutting lubricant or appropriate speeds when drilling metals, and clear chips regularly. Replace the pilot drill if worn to maintain hole accuracy. Ensure the hexagon socket adapter and driver are rated for the intended torque and application.