Page 1560 - MiSUMi 2025

Economy series Product Overview
Metal Washers & Metal Collars
Bolts & Screws / Nuts Nuts Bolts & Screws /

P.23-007 QCorrosion Resistance test of MISUMI Economy series P.23-007
Metal Washers / Metal Collars Salt Spray Test MISUMI Standard products MISUMI Economy series Generic products on the market* Metal Collars Metal Washers /

P.23-016 Before Test P.23-016
Shim Tapes Shim Tapes

P.23-041 Test 24H P.23-041
Parallel Keys (Machine Keys) Test Result No obvious corrosion or rusting No obvious corrosion or rusting Severe corrosion and rusting (Machine Keys) Parallel Keys

P.23-043 Corrosion resistance - MISUMI Economy series is equivalent to MISUMI Standard products P.23-043
·Test Method: Conduct the corrosion test according to the standard ASTM B117
Magnets ·Test Conditions: 1Salt spray test (5%NaCL35°C) 2Volume of salt solution: 1.0~2.0ml/hr 3Salt solution PHvalue: 6.5~7.2 Magnets
*The above data is limited to sample test results, which is for reference only
P.23-047 *Generic products on the market are similar products randomly purchased by MISUMI from the market P.23-047
QEffects on the washer deformation due to differences in the contact area
Other New Products between the washers and the connectors Products Other New

P.23-061 Screws 2N·m Screws 2N·m P.23-061
23 23
Bolts & Screws / Metal Washers & Collars / Shims / Parallel Keys / Magnets Contact Surface Flat Washers Contact Surface Metal Washers Shims / Parallel Keys / Magnets Bolts & Screws / Metal Washers & Collars /

Connector
Connector

Small Contact Surface Large Contact Surface
(Force Diagram 1) (Force Diagram 2)

Washer Deformation by Force Deformation Diagram
Category
Small Contact Surface Large Contact Surface Thickness Before Applying Force t1

MISUMI Standard products 1.0mm 0.01mm

Thickness After Applying Force t2
MISUMI Economy series 2.4mm 0.02mm
Deformation=t2-t1
TIPS The larger the contact area between the washer and the connector, the smaller the deformation
of the washer after applying force

*Dimensions of Testing Washer Sample: 16×4×1/10×3×1/(Unit mm), Bolt: M4/M3, Acting Torque 2N·m
*The above data is limited to sample test results, which is for reference only

23-017 23-018