RS PRO 50 Piece Grey Domed Cap & Cup Washer Kit 1507/MM6X25 ROUGE

  • RS Stock No. 549-139
  • Manufacturer RS PRO
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): GB
Product Details

Polypropylene Domed Cap & Cup Washers

Polypropylene screw-cap kits consisting of pairs of domed caps and cup washers, available in three matt finish colours.,The cup washers are held in place by the screw, bolt or rivet head, and the domed cap clips into place over the washer.

Suitable for insulating screwheads, enhancing appearance of panels & instrument cases, providing lightweight feet etc
Each kit contains 25 pairs of caps & washers, in 4 sizes
Accommodates screw sizes from M2 to M5 (No. 3 to No.12)
Smallest size is ideally suited to covering RS Speedriv 3mm rivets

25 pairs (caps/washers) of each type are included in each kit.

Type Domed Cap   Cup Washer     Max. Screw Size  
  O/D Height C/Bore Hole Height Machine Screw Wood Screw
  A B C D E    
U61 10.0 3.7 6.5 3.8 2.0 M3 No.3
U63 13.2 4.1 8.6 4.2 2.5 M4 No.8
U64 16.3 4.8 11.7 5.5 2.5 M5 No.12
U84 16.3 6.8 11.7 5.5 2.5 M5 No.12


Type U61, U63 & U64 have low-profile caps, and are primarily intended for countersunk head screws, although they may also be used with pan head screws.,Size to suit any specific screw will depend on the screw size and head type.

Attribute Value
Number of Pieces 50
Material PP
Finish Plain
Colour Grey
Cup Hole Diameter Largest Size 5.5mm
Cup Hole Diameter Smallest Size 3.8mm
Cup Inside Diameter Largest Size 11.7mm
Cup Inside Diameter Smallest Size 6.5mm
Domed Cap Height Largest Size 6.8mm
Domed Cap Height Smallest Size 3.7mm
Largest Domed Cap Outside Diameter 16.3mm
Smallest Domed Cap Outside Diameter 10mm
On back order for despatch 01/08/2019, delivery within 5 working days from despatch date.
Price (ex. GST) 1 Kit
$ 8.80
(exc. GST)
$ 9.68
(inc. GST)
1 +
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