Hitachi

Hitachi 751830 1/2" 14mm Nut Driver Bit

5.0 (1 reviews)

A 14mm (1/2-inch) Hitachi nut driver bit built for fast, precise nut driving with power tools.

$19.24*
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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

The Hitachi 751830 Nut Driver Bit is a 14mm (1/2-inch) accessory designed for driving hex nuts and bolts efficiently with a power drill or impact driver. At 85mm in total length, it offers enough reach to access fasteners in moderately recessed locations while maintaining stability during operation. The 14mm size is a widely used metric dimension encountered in automotive repair, construction, HVAC installation, and general assembly work, making this bit a practical addition to a metric tool collection.

Manufactured by Hitachi (now operating as Metabo HPT in many markets), this nut driver bit is built to deliver consistent performance across repeated use. The bit seats securely in standard hex shank chucks, allowing quick bit changes when switching between fastener sizes. For users who regularly work with 14mm hardware, having a dedicated driver bit eliminates the need to use a socket wrench in tight or overhead spaces where a power tool is more practical.

Key Features

'1/2 "14 mmx85l harghita compass

'1/2 "14 mmx85l harghita compass

Specifications

Brand
Hitachi
Model
751830
Type
Nut Driver Bit
Size
14mm (1/2")
Length
85mm

Pros & Cons

👍 Pros

  • 14mm size covers a commonly used metric nut dimension in construction and automotive work
  • 85mm length provides useful reach without excessive wobble during driving
  • Hitachi brand is associated with durable, professional-grade tool accessories

👎 Cons

  • Single-piece purchase means buying individual bits for each size rather than getting a set
  • Limited product detail makes it unclear whether this bit is impact-rated for high-torque applications
  • Only available in 14mm, so users needing multiple sizes will need to source additional bits separately

Frequently Asked Questions

This bit is sized at 14mm (approximately 1/2 inch), designed to fit 14mm hex nuts and bolts.
It is designed to fit into standard 1/4-inch hex shank impact drivers and drill chucks, which is the most common bit interface for power tools.
The bit has an overall length of 85mm, providing adequate reach for most standard fastening applications.
While the bit is compatible with impact drivers, check the product packaging for an impact-rated designation to ensure it can withstand repeated high-torque impacts without cracking.