ISO Fits app icon

ISO Fits

ISO Fits calculation, ISO Tolerances for bore and shaft

Trelleborg Sealing Solutions · com.tss.in.android.fitsTolerance

Not rated yet 100K+ downloads v4.5 14.1 MB Android 4.4+ PEGI 3 · Everyone

Download APK 14.1 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v4.5 (25)
Updated
Nov 15, 2025 (11 months ago)
APK size
14.1 MB
Requires
Android 4.4+ (API 19)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Tools (app)
Permissions
4 (1 sensitive)
Website
tss.trelleborg.com
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

ISO Fits is an app by Trelleborg Sealing Solutions in the Tools category. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 3.8, the minimum Android version rose from 4.2 to 4.4. It asks for 4 permissions, 1 of them sensitive: modify shared storage. Compared with version 3.8, it adds 1 new permission (“Modify shared storage”) and drops 2 (“Prevent the device from sleeping” and “Receive push notifications”).

What's new in v4.5

Third Party Licenses Included.

Description

From the listing uploaded by “appupdater”.

It includes the following features: - Fits calculation: Upon entering the nominal diameter (of either bore or shaft), users select their tolerance classes for bore and shaft. The app then provides the complete ISO fits definition with all relevant values. - Tolerances: Shows the tolerances for the most commonly used ISO tolerance classes. - switch between metric and inch version. - Charts: Shows the most common ISO tolerances classes in a diagram. - Videos: Features the automatically updated latest TSS youtube videos. The results of this application are based on DIN ISO 286 Nominal dimension: 1-3150mm following tolerances included: Shaft: a9, a10, a11, a12, a13, b8, b9, b10, b11, b12, b13, c8, c9, c10, c11, c12, cd5, cd6, cd7, cd8, cd9, cd10, d5, d6, d7, d8, d9, d10, d11, d12, d13, e5, e6, e7, e8, e9, e10, ef3, ef4, ef5, ef6, ef7, ef8, ef9, ef10, f3, f4, f5, f6, f7, f8, f9, f10, fg3, fg4, fg5, fg6, fg7, fg8, fg9, fg10, g3, g4, g5, g6, g7, g8, g9, g10, h1, h2, h3, h4, h5, h6, h7, h8, h9, h10, h11, h12, h13, h14, h15, h16, h17, h18, js1, js2, js3, js4, js5, js6, js7, js8, js9, js10, js11, js12, js13, js14, js15, js16, js17, js18, j5, j6, j7, j8, k3, k4, k5, k6, k7, k8, k9, k10, k11, k12, k13, m3, m4, m5, m6, m7, m8, m9, n3, n4, n5, n6, n7, n8, n9, p3, p4, p5, p6, p7, p8, p9, p10, r3, r4, r5, r6, r7, r8, r9, r10, s3, s4, s5, s6, s7, s8, s9, s10, t5, t6, t7, t8, u5, u6, u7, u8, u9, v5, v6, v7, v8, x5, x6, x7, x8, x9, x10, y6, y7, y8, y9, y10, z6, z7, z8, z9, z10, z11, za6, za7, za8, za9, za10, za11, zb7, zb8, zb9, zb10, zb11, zc7, zc8, zc9, zc10, zc11 Bore: A9, A10, A11, A12, A13, B8, B9, B10, B11, B12, B13, C8, C9, C10, C11, C12, C13, CD6, CD7, CD8, CD9, CD10, D6, D7, D8, D9, D10, D11, D12, D13, E5, E6, E7, E8, E9, E10, EF3, EF4, EF5, EF6, EF7, EF8, EF9, EF10, F3, F4, F5, F6, F7, F8, F9, F10, FG3, FG4, FG5, FG6, FG7, FG8, FG9, FG10, G3, G4, G5, G6, G7, G8, G9, G10, H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11, H12, H13, H14, H15, H16, H17, H18, JS1, JS2, JS3, JS4, JS5, JS6, JS7, JS8, JS9, JS10, JS11, JS12, JS13, JS14, JS15, JS16, JS17, JS18, J6, J7, J8, J9, K3, K4, K5, K6, K7, K8, K9, K10, M3, M4, M5, M6, M7, M8, M9, M10, N3, N4, N5, N6, N7, N8, N9, N10, N11, P3, P4, P5, P6, P7, P8, P9, P10, R3, R4, R5, R6, R7, R8, R9, R10, S3, S4, S5, S6, S7, S8, S9, S10, T5, T6, T7, T8, U5, U6, U7, U8, U9, U10, V5, V6, V7, V8, X5, X6, X7, X8, X9, X10, Y6, Y7, Y8, Y9, Y10, Z6, Z7, Z8, Z9, Z10, Z11, ZA6, ZA7, ZA8, ZA9, ZA10, ZA11, ZB7, ZB8, ZB9, ZB10, ZB11, ZC7, ZC8, ZC9, ZC10, ZC11

Version history

2 versions are listed, going back to v3.8. Since v4.5 it requires Android 4.4+.

v4.5 LATEST Nov 15, 2025 14.1 MB TRUSTED v3.8 Feb 28, 2020 7.1 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Nov 15, 2025.
  • Certificate issued to “TSS” This is the certificate of the Google Play version.
  • Same certificate as the other version checked

Store checks and file details

  • Developer signature verified Nov 15, 2025
  • Validated against Google Play Nov 15, 2025
  • Signed byCN=Trelleborg Sealing, OU=TSSBLR, O=TSS, L=BLR, ST=KAR, C=IN
  • Signing certificate (SHA-1)27:DD:97:8E:FE:5F:12:2F:93:50:3F:2D:35:9C:35:4E:96:AE:9E:66
  • File MD583463f3ad2f48f4f06217e3bbcb4d014
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (4)

ISO Fits requests 4 permissions, 1 of them sensitive.

Required hardware & features

ISO Fits APK: questions and answers

Is there a version of ISO Fits for older Android phones?

The current version needs Android 4.4 or later. Version 3.8 is the newest listed build that installs on Android 4.2 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.8 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the ISO Fits APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 83463f3ad2f48f4f06217e3bbcb4d014.

Tags

android fitstolerance tools fits

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