Inch and Metric Size, Technopolymer Plastic
Ergostyle® Wing Screws
With Stainless Steel Tapped Insert

EN 634.1
Elesa Model EWN.SST


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Specification
Information
Wing body: Special glass-fiber reinforced technopolymer plastic, black matte finish  
Insert: Stainless steel, European Standard No. 1.4305 (American Standard Series 303), molded in, with threaded blind bore  
Technopolymer plastic, black is standard, matte finish, supplied but not assembled, press-fit, removable with screwdriver for passing through application  
To specify one of the other Ergostyle® colors for cover disk, replace "C1" in part number with the appropriate suffix:
 
C2 - Orange, RAL 2004

C3 - Gray, RAL 7035

C4 - Yellow, RAL 1021

C5 - Blue, RAL 5024

C6 - Red, RAL 3000
     

Elesa® original design technopolymer plastic Ergostyle® wing nuts.  
The slightly concave marks on the ends of the wings help to position the fingers to apply the maximum force when tightening.
Resistant to solvents, oils, grease and other chemical agents. For metric version with brass insert, see EN 634.

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Inch Table

Dimensions in:

inches
(millimeters)

Part Number
d1
d2
Tapped
d3
b
h1
h2
h3
h4
1.85
(47)
1/4-20 
.53
(13.5)
.28
(7)
.94
(24)
.22
(5.5)
.47
(12)
.85
(21.5)
2.17
(55)
5/16-18
.63
(16)
.31
(8)
1.10
(28)
.26
(6.5)
.71
(18)
.98
(25)
2.76
(70)
5/16-18
.79
(20)
.39
(10)
1.42
(36)
.31
(8)
.79
(20)
1.26
(32)
 
Metric Table

Dimensions in:

millimeters
(inches)

Part Number
d1
d2
Tapped
d3
b
h1
h2
h3
h4
47
(1.85)
M6 x 1.0
13.5
(.53)
7
(.28)
94
(.94)
5.5
(.22)
12
(.47)
21.5
(.85)
M8 x 1.25
55
(2.17)
M8 x 1.25
16
(.63)
.8
(.31)
28
(1.10)
6.5
(.26)
18
(.71)
25
(.98)
70
(2.76)
M10 x 1.5
20
(.79)
10
(.39)
36
(1.42)
.8
(.31)
20
(.79)
32
(1.26)