Inch and Metric Size, Phenolic Plastic
Revolving Ball Knobs
Long Shoulder Type
GN 319.2
GN 319.2
GN 319.2
 GN 319.2
Specification
Information

Hand piece: Black phenolic plastic
(Duroplast FS 31)
Threaded spindle: Steel, black oxide finish (manufacturer in process of changing over to zinc plated)

Shipping

 Revolving ball knobs GN 319.2 can be utilized instead of
revolving handles i.e. with handwheels.
Revolving ball knobs have the same assembly dimen-
sions as the handles DIN 39, and GN 598.
Maximum heat resistance:  150°C (300°F).
For certain minimum quantities, revolving balls knobs with internal threaded shafts are available upon request.
For use on this handle: DIN 911 hex keys available.
CLICK ON PART NUMBER FOR PRICE (and option to add to cart)
For CAD download instructions, click HERE
Inch Table

Dimensions in:

inches
(millimeters)
Part
Number
d1
d2
Thread
d3
l1
l2
l3
Int. Hex
A/F
.98
 (.25)
1/4-20
.39
 (10)
.43
 (11)
1.48
 (37.5)
.59
 (15)
.118
 (3)
1.26
 (32)
5/16-18
.51
 (13)
.51
 (13)
1.89
 (48)
.75
 (19)
.157
 (4)
1.57
 (40)
3/8-16
.63
 (16)
.55
 (14)
2.40
 (61)
.94
 (24)
.197
 (6)
1.97
 (50)
1/2-13
.79
 (20)
.83
 (21)
3.07
 (78)
1.22
 (31)
.236
 (6)
Metric Table

Dimensions in:

millimeters
(inches)
Part
Number
d1
d2
Thread
d3
l1
l2
l3
Int. Hex
A/F
25
 (.98)
M6 x 1.0
10
 (.39)
11
 (.43)
37.5
 (1.48)
15
 (.59)
3
 (.118)
32
 (1.26)
M8 x 1.25
13
 (.51)
13
 (.51)
48
 (1.89)
19
 (.75)
4
 (.157)
40
 (1.57)
M10 x 1.5
16
 (.63)
14
 (.55)
61
 (2.40)
24
 (.94)
5
 (.197)
50
 (1.97)
M12 x 1.75
20
 (.79)
21
 (.83)
78
 (3.07)
31
 (1.22)
6
 (.236)