A hex key (also, hex wrench, Allen key and Allen wrench, Unbrako or Inbus) is a simple driver for bolts or screws that have heads with internal hexagonal recesses (sockets). Hex keys are formed from a single piece of hard hexagonal steel rod, having blunt ends that fit snugly into similarly shaped screw sockets.

Metric Allen Hexagon, Hex Key, Hexagon Keys Series Tools . Metric Hexagon Keys per. ASME B18.3.2M Hardness: R C 45-53.

常见的英文名称有“Allen key（或Allen wrench）”和“Hex key”（或Hexwrench）。 名称中的“wrench”表示“扭”的动作，它体现了内六角扳手和其他常见工具（比如：一字螺丝刀和十字螺丝刀）之间最重要的差别，它通过扭矩施加对螺丝的作用力，大大降低了使用者的 ...

內六角扳手（hex key，即“hexagon key”的简称）是用來驱动头部有六角形凹槽的螺栓和螺钉的工具。 因为这种工具最早由 美国 康涅狄格州 哈特福 的艾伦制造公司（Allen Manufacturing Company）设计生产，因此也称 艾伦扳手 （Allen key或Allen wrench）。

Inch Series Hexagon Keys - Applicable Specifications: ASME B18.3. Hardness: R C 45-53. Max. .

What is Allen Key? Types of Allen Keys and Their Uses [with Pictures] :- Hexagon and Torx keys are simple equipment specially designed for turning their respecting fasteners. It doesn’t matter whether you are a keen DIYer or a professional, having both a hexagon and torx key close to hand at most of the times ensures one thing that you’re ...

2023年11月15日 · An Allen Key, often referred to as an Allen Wrench, is an indispensable tool easily recognized by its L-shaped form and hexagonal (six-sided) cross-section. The Allen key is designed to fit perfectly into the hexagonal socket of a screw or bolt, and apply rotation torque for tightening or loosening the fastener.

Drive heads of bolts and screws easily and quickly with our range of hex key sets at Toolstation. Find hex and Torx key sets from brands including ProForce, Draper, Wera and Hafu and in selected styles of ball end or T-handle. We offer hex key sets in metric, imperial, or a combination of both measurements so that you can find the exact size ...

2021年5月31日 · A hexagon key objective is tightening and un-tighten fasteners – both bolts and screws – that have hexagonal (six-sided) recesses, or indents, in their heads. These are known as “in-hex” (which is short for internal hexagon) heads.