Glossary

30 entries

Clearance Fit - Clearance Fit in engineering ensures easy assembly with h7/g6 standard, preventing wear and interference for smooth operation as per ISO 286-1:2010 st
Nitrile Rubber - NBR, a synthetic rubber with excellent oil resistance, used in O-rings and seals for hydraulic and fuel systems.
Pitch Circle Diameter - PCD, the diameter of the circle passing through the centres of bolt holes on a flange or plate.
PTFE - PTFE is polytetrafluoroethylene, used in seals for its high chemical resistance and low friction, adhering to BS EN ISO 15493-2:2016 standards for qua
Rockwell Hardness - A hardness scale using an indenter under load. HRC (diamond cone) for hard metals, HRB (ball) for softer metals.
Shear Strength - The maximum stress a material can withstand in a direction parallel to its surface before failure, critical for bolt and pin calculations.
SIC Code - SIC Code is a classification system for UK businesses; 3260 covers precision engineering. Use it to find suppliers adhering to ISO standards and BS EN
Taper Lock Bush - Taper Lock Bush is a split bushing for quick assembly, compliant with ISO 5946:2013, offering secure fitment and easy removal in industrial settings.
Tensile Strength - The maximum stress a material can withstand while being stretched or pulled before breaking, measured in MPa.
What Is Anodising in Engineering? ISO 10074-2 Standards Explained - Anodising is an electrochemical process for aluminium, forming a 25-45 micron thick oxide layer per ISO 10074-2, enhancing durability and appearance.
What Is Belleville Washer in Engineering? DIN 2093 Series Explained - A conical disc spring used for high loads in small spaces, manufactured to DIN 2093 in series A, B, and C.
What Is Bore Diameter in Engineering? ISO 14396 Tolerances Explained - The internal diameter of a bearing or hole into which a shaft fits, measured in millimetres.
What Is BSP Thread? 55-Degree Whitworth Pipe Thread Explained - British Standard Pipe thread, a 55-degree thread form used in plumbing and hydraulic connections throughout the UK.
What Is Circlip in Engineering? ISO 18224:2019 Standards Explained - Circlip is a retaining ring for axial component retention; ISO 18224:2019 defines its dimensions and tolerances, ensuring consistency across manufactu
What Is Ductile Iron in Engineering? BS EN 1563 Standards Explained - Also called nodular or SG iron, a cast iron with graphite nodules giving it higher tensile strength and ductility than grey iron.
What Is Dynamic Load Rating in Engineering? L10 Formula Explained - The constant load a bearing can carry for one million revolutions before fatigue failure, measured in kN.
What Is FRL Unit in Engineering? ISO 8573 Standards Explained - FRL Unit filters, regulates, and lubricates compressed air; adheres to ISO 8573 standards for quality assurance in manufacturing and maintenance syste
What Is Interference Fit in Engineering? h7/p6 Designation Explained - An assembly where the shaft is larger than the hole, requiring force or heating to assemble. Example: H7/p6.
What Is ISO 4032 in Engineering M1.6 to M160 Size Range - ISO 4032 defines hex nut dimensions M1.6 to M160, including M16 with outer diameter 19 mm. Learn specifications for engineering applications.
What Is Keyway in Engineering? ISO 286-1 Standards Explained - Keyway is a slot in shafts and hubs for keys; ISO 286-1 standards specify tolerances for interchangeability. Readers get dimensions and standards deta
What Is L10 Life in Engineering? ISO 281:2023 Standard Explained - The number of revolutions at which 90 percent of a group of identical bearings will still be running without fatigue failure.
What Is Nominal Bore in Engineering? ISO 6708 Standard Guidelines - Nominal Bore in engineering refers to pipe sizes like DN 20, used internationally per ISO 6708 for standardization and compatibility across components
What Is Proof Load in Engineering? 120 MPa Value Explained - Proof load is the max tensile force a bolt can endure at 120 MPa before deforming, ensuring safety in engineering applications as per ISO 898-1 standa
What Is Property Class in Engineering? ISO 898 Standards Explained - Property Class rates bolt and nut strength; an 8.8 grade has 800 MPa tensile strength. Understand mechanical properties with ISO 898 standards.
What Is Radial Load in Engineering? ISO 15243:2018 Standard Explained - A force acting perpendicular to the shaft axis, the primary load type for most bearing applications.
What Is Shore Hardness? Rubber A/D Scale and ISO 868 Standard - A scale measuring the hardness of rubber and elastomers, commonly Shore A (flexible) and Shore D (rigid).
What Is Spring Rate in Engineering? N/mm Units and ISO Standards - The force required to compress or extend a spring by one unit of length, measured in N/mm or lbs/inch.
What Is Torque in Engineering? Nm Units and ISO Standards Explained - Torque is a rotational force in Nm crucial for bolt tightening; ISO 6148 guides torque testing. Learn about standards and torque ranges on this page.
What Is Viton in Engineering? ISO 1803 Standards Explained - What Is Viton in Engineering? ISO 1803 standards ensure its durability at -45 to 180°C for automotive and aerospace use. Specifications chart included
Yield Strength - The stress at which a material begins to deform permanently, measured in MPa. Below this point, deformation is elastic.