Page 1561 - MiSUMi 2025
P. 1561
Economy series Product Overview Metal Washers Standard Grade, Steel (RoHS Compliant)
Metal Washers & Metal Collars
Bolts & Screws / Nuts Nuts Bolts & Screws /
S Surface Treatment
M Material
P.23-007 QCorrosion Resistance test of MISUMI Economy series Low Carbon Free Cutting Steel Trivalent Chromate Treatment 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 3V+0.1
+0.3
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 2D-0.2 4T±0.1 Magnets
0
*The above data is limited to sample test results, which is for reference only
*Generic products on the market are similar products randomly purchased by MISUMI from the market
Part Number
P.23-047 QEffects on the washer deformation due to differences in the contact area 1Type 2O.D. D 3I.D. V 4Thickness T P.23-047
Other New Products between the washers and the connectors 5 6 8 2 3 3 4 5 1 1 1 2 2 3 3 Products Other New
P.23-061 Screws 2N·m Screws 2N·m 10 3 4 5 6 1 2 3 * P.23-061
23 C-WSSA 12 3 4 4 4 * 5 5 5 6 6 6 8 8 8 2 2 2 3 3 3 23
14
Bolts & Screws / Metal Washers & Collars / Shims / Parallel Keys / Magnets Contact Surface Flat Washers Contact Surface Metal Washers 16 5 5 6 6 6 8 8 8 8 10 12 2 2 3 3 3 3 5 5 5 Shims / Parallel Keys / Magnets Bolts & Screws / Metal Washers & Collars /
15
10
20
Connector
Connector
2
25
10
2
12
10
30
E If you need to choose a thickness of more than 10mm, please select a collar on P.23-032.
E T size with "*" can not be selected when V is 6, and V size with "*" cannot be selected when T is 2.
E The surface of this product is barrel plated, so there may be some scratches and defects in appearance, but they do not affect the
washer’s performance.
Small Contact Surface Large Contact Surface
(Force Diagram 1) (Force Diagram 2) Ordering Part Number (1Type · 2D) - 3V - 4T
Example C-WSSA10 - 3 - 1
Washer Deformation by Force Deformation Diagram
Category Shaft
Small Contact Surface Large Contact Surface Thickness Before Applying Force t1 Example Shouldered Positioning Pin
MISUMI Standard products 1.0mm 0.01mm
Spring
Thickness After Applying Force t2
MISUMI Economy series 2.4mm 0.02mm Flat Washer
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 Flat Washer
*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
How to search Search on MISUMI official website Step 1 Step 2 Select Economy series
on website 1 C-WSSA 2 washer # MISUMI
By Type Search on MISUMI official website and get your product By Keyword # Only MISUMI Economy series
23-017 Metal Washers / Metal Collars 23-018

