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Bernardo  |  SKU: 16-2072

HW mechanism drill, D35, NL31, HL57, S10, RE 16-2072

€58,03 (22% VAT incl.)
Business solution up to 30 installments

Delivery and Shipping

At Krollit, we guarantee a safe and reliable shipping process. Orders are handled with the utmost care and traceability until delivery.

For international shipments, please send your request via the dedicated contact form.

Upon delivery, always sign the delivery note with the words “subject to inspection” to allow for proper handling of any irregularities or discrepancies in the product.

Our goal is to ensure you receive prompt service and a worry-free shopping experience.

Description

Bernardo mortising drill bit — compatible with HW, D35, NL31, HL57, S10, RE 16-2072 mechanisms. For drilling standardized seats for locks and mechanisms on wooden doors. Austrian production by Bernardo. Krollit has been an official distributor in Italy since 2007.

  • Mechanism compatibility: HW / D35 / NL31 / HL57 / S10 / RE 16-2072
  • Use: Drilling seats for locks and mechanisms on doors

Technical specifications

Specification Value
Compatible mechanisms HW / D35 / NL31 / HL57 / S10 / RE 16-2072

Logistics

Original spare parts available with 3–5 business days shipping. Customer support available in Italian.

Frequently Asked Questions

What types of mechanisms are installed with this HW drill?

The HW mechanism drill is specifically for drilling seats for standardized European mechanisms: D35 (standard European cylinders), NL31 (31 mm latches), HL57 (handle holes at 57 mm center distance), S10 (10 mm lock cases), RE 16-2072 (rosettes and handles). Each code identifies a precise European dimensional standard — the bit must exactly match the size of the mechanism to be installed.

Is it used on wood, metal, or both?

The basic version is for wooden doors and derivatives (chipboard, MDF). For metal or armored doors, specific versions with HSS or carbide bits are required. Check the door material before purchase. Customer support available in Italian.

Delivery times?

Original spare parts available with 3–5 business days shipping. Customer support available in Italian.

Product safety

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