Technical

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Technical glossary of terms commonly used with reference to our tools.

AF Measured across the flats of the fixing
Alldrive A new tapered profile that is suitable for use on Metric AF,Torx, Star, Spline, Whitworth & BA fixings
Ball End Ball end Hex keys are designed for use when access is restricted, the
Ball Pein Hammer : For cold chisels, punches, rivets and shaping metal.
Bi-Hex A socket or spanner with 12 point profile
Carbon Steel High and low carbon steel is used in tool manufacture and usually for tools for the DIY sector
Chrome Molybdenum A mixture of Chromium and Molybdenum for a quality tool
Chrome Vanadium A mixture of Chromium and Vanadium for a higher grade of tool
DTI Dial Test Indicator
Duty Cycle Measures On and Off times in fuel injection systems, ABS wheel-speed sensors, signals from CAM or Crankshaft etc.
Go Thru A socket set with access through the sockets for additional leverage on alternative fixings
Impact/Air Impact Usually produced from a higher grade of material for use with rattle guns and other compressed air tools
OEM Original Equipment Manufacturer. A reference to the tool required for the removal of a specific part of an engine
Phillips® Designed specifically for use with Phillips® head screw, which has two
Pound Thru A screwdriver with a hardened shaft from handle to tip. Can be used with a hammer to give added leverage
Pozidriv® Similar to the Phillips® style, the screw can be identified by additional
Pulse Width The amount of ON time for a pulse. The pulse width of a fuel injector tells how long the fuel injector was opened
Ribe A fixing mostly used in the Automotive sector especially in Italy and Germany
Silicon Steel Silicon steel is an iron and carbon alloy which contains silicon as the main alloy's component. Acesita's silicon steels contain different amounts of this material, ranging from 1,8 % to 3,5 %, depending on the kind of steel. When silicon is added, the alloy gains in electrical resistance and the magnetic losses are diminished.
Single Hex A socket or spanner with 6 point profile
Slotted Standard or flat for driving single slotted screws.
Spline A fixing mostly used in the Automotive sector for Cylinder Head fixings etc
Square head Square tip, used in mobile homes, recreational vehicles and industrial
Star Star is the equivalent of Torx. 6 sided. Torx is the registered trademark of Camcar Textron Inc. Rockford II
Tachometer A feature on a Multimeter that indicates engine speed as a result of counting pulses of current electricity passing through the ignition system
Tamperproof An additional security fixing usually found on engine components.
TDC An abreviation for when the crankshaft is at Top dead centre.
Torx® Star shaped, used in the automotive industry. Sizes range from T-10 (small)
TS Bits Five sided Star profile in tamperproof format
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QuoteHello to the people in customer services. I would like to express a very big thank you. May I also say it is good to know that there are some companies that still value long term customers and support their products. Once again thank you for your prompt service and support I will stick with your great products in the future. - Mr S W from WebsiteQuote