# Wera 843 Stepped Drill Bit

**Brand**: Wera
**Product Code**: 21030530
**Model**: 843
**Barcode**: 4013288117632
**Price**: £0.00
**Availability**: Please select your options to view availability

**Category**: Power Tool Accessories > Drilling Accessories > Drill Bits > Cone & Stepped Drill Bits

## Description

The Wera 843 Stepped Drill Bit is a precision tool designed for drilling multiple hole sizes in thin materials with a single bit. This high-quality stepped bit features 9 drill steps that increase in 2 mm increments, spanning from 4 mm to 20 mm diameter, making it ideal for sheet metal work and other thin material applications. Manufactured by Wera, a respected name in professional hand tools, this stepped drill bit is specifically engineered for materials with a maximum thickness of 4.5 mm. The bit incorporates an integrated edge breaker at the 10 mm diameter step, functioning as a sheet metal deburrer for 1 mm sheet metal, eliminating the need for secondary finishing operations. The ¼" hexagon drive shank conforms to DIN ISO 1173-D 6.3 standards, ensuring compatibility with standard bit holders and drill chucks. This 75 mm length bit is particularly well-suited for electricians installing conduit and cable glands, HVAC engineers working with ducting, and metal fabricators requiring clean, precise holes in sheet materials. Features and Benefits: &bull; 9 drill steps increasing by 2 mm for versatile hole sizing from 4-20 mm &bull; Integrated edge breaker at 10 mm diameter functions as sheet metal deburrer &bull; Suitable for materials up to 4.5 mm thickness maximum &bull; ¼" hexagon shank compatible with holders per DIN ISO 1173-D 6.3 standard &bull; 75 mm overall length provides good reach and control Contents: 843 Stepped drill bits, 4-20 mm, 75 mm Specifications: Diameter Range: 4-20 mm Number of Steps: 9 Step Increment: 2 mm Maximum Material Thickness: 4.5 mm Overall Length: 75 mm Drive Type: ¼" hexagon Edge Breaker Position: 10 mm diameter

---
**URL**: https://www.tooled-up.com/wera-843-stepped-drill-bit/prod/410820/
