Skip to main content
Close-up photo of a dark grey metal hex screwdriver bit with ASTA embossed on the sideLine drawing of a 25 mm hex screwdriver bit with dimensional callouts and hex cross-section symbol

Hex 3.0 x 25mm Screwdriver Bit, 1/4-Inch Drive

Compact 3.0mm hex screwdriver bit for precision fastening in tight spaces. 25mm length, machined steel construction.

Request Quote

Description

Hex 3.0 x 25mm Screwdriver Bit

Brief Overview

This is a short, precision-engineered hex screwdriver bit designed for quick-change screwdriver holders and impact-rated bit sockets. The 25mm overall length makes it ideal for confined spaces and detailed assembly work. The 1/4-inch (6.35mm) hex drive integrates seamlessly with standard bit holders, while the 3.0mm hex tip delivers reliable engagement with metric hex fasteners. Stock this alongside smaller hex bits and torque-specific variants to serve your full fastening toolkit.

Key Features

  • Hex Drive Size: 3.0mm tip for metric fasteners
  • Overall Length: 25mm (compact for tight access)
  • Drive Type: 1/4-inch (6.35mm) hex shank
  • Material: Hardened, machined steel with chamfered edges
  • Retention Geometry: Grooved shank profile for secure bit holder engagement
  • Surface Finish: Dark-gray machined finish, corrosion-resistant

Why Resellers Choose This Bit

Mechanical Advantage for Your Customers: Hex fasteners demand high contact pressure to prevent cam-out and bit slippage. The chamfered tip design of this bit ensures precise seating in the fastener head, reducing rounding and extending tool life on your customer's job sites.

Business Value: Short bits like this occupy minimal shelf space while serving high-frequency assembly and precision work applications. Mechanics working on electronics assembly, small machinery, or prototype builds will need these regularly. The 25mm length is the industry standard for confined spaces—a core SKU that generates consistent repeat orders.

Volume Opportunity: Pair with your hex 2.5mm and torx bits to create a complete precision bit assortment. Resellers report strong velocity on compact bit kits aimed at electronics technicians and precision mechanics.

Technical Specifications

Specification Value
Hex Tip Size 3.0mm
Overall Length (L) 25mm
Tip Engagement Depth (L1) 11mm
Drive Type 1/4-inch (6.35mm) hex shank
Material Hardened steel, machined
Shank Width (Feature) 8.0mm
Surface Treatment Machined (bare steel)
Retention Grooved profile for bit holder security

Close the Sale

Stock this compact hex bit as an essential consumable for precision fastening. At 25mm, it fills the gap between longer screwdrivers and bit holders, making it a natural add-on to every technician's toolkit. Order in bulk to support your precision assembly and electronics repair customers.