Access screw and bolt specifications with detailed dimensions and material grades. View US screws including 93 sizes and 74 material options. Purchase metric screws for 210 sizes and 86 material grades.
by Perfectly Simple Apps LLC★ 4.6197 ratingsReferenceFreeData updated 2026-09-08
The app calculates linear measurements, areas, volumes, and weights in US and metric units. It supports decimal or fractional notation and includes unit conversion, memory, rounding, and percentage functions.
Measure and save near and distant visual acuity using Kay Picture optotypes and Sloan letters. children aged 18 months and adults. Choose single or crowded presentations and distances. Save and export results to a spreadsheet.
The app transforms an iPhone or Apple Watch into a measuring tool for small objects. It allows users to switch between imperial and metric scales and adjust the ruler's height for comparison.
Calculates volume and cost for footings, slabs, square columns, bar columns, and steps. Estimates quantity needed for each structure. Provides total cost based on material prices.
Measure distances and areas using AR technology. Tap to mark points and calculate lengths. View measurements in inches or centimeters. Save and share measurement data. Sync with other devices for project management.
The app calculates, compares, and displays tire and wheel data. It provides a fitment calculator and detailed visual representations of configurations.