Metric Size, Stainless Steel
Spring Bolts
GN 313
GN 313

RoHS Compliant

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GN 313
Specification
Information
Threaded body: Stainless steel, European Standard No. 1.4305 (American Standard Series 303)
Plunger pin: Stainless steel, European Standard No. 1.4305 (American Standard Series 303), chemically nickel plated
Knob: Matte black plastic (Polyamide PA), not removable
Lock nut: Stainless steel, European Standard No. 1.4310 (American Standard Series 301), DIN 439/ISO 8675

The plunger in GN 313 spring bolts does not protrude in the inoperative position.
It can be operated manually, or in the case of Type D and DK, mechanically (pneumatic cylinder, cam plate, etc.), where it will protrude only as long as it is operated.
Type 1 versions feature plungers without internal thread, while Type 2 versions have an internal thread in the plunger.
An application example for the Type 2 would be using the internal thread on the pressure side, for operation of special pressure bolts or a rod arrangement.
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With Pull Knob

Dimensions in:

millimeters
(inches)

Part Number
d1
Pin dia.
Tol. -0.02mm
-0.04mm
Fits Bore H7
d2
External
Thread
d3
Internal Thread
d4
l1~
l2
l3~
l4~
t
min.
Spring Load in N
Type 1
No Internal Thread
Type 2
With Internal Thread
With-out
Lock Nut
With
Lock Nut
With-out
Lock Nut
With
Lock Nut
init. end
5
(.20)
M10 x 1.0
M3 x .5
16
(.63)
6
(.24)
22
(.87)
42
(1.65)
29
(1.14)
7
(.28)
7 18
6
(.24)
M12 x 1.5
M4 x .7
19
(.75)
7
(.28)
26
(1.02)
49
(1.93)
35
(1.38)
7
(.28)
7 21
8
(.31)
M16 x 1.5
M5 x .8
23
(.91)
9
(.35)
34
(1.34)
65
(2.56)
48
(1.89)
9
(.35)
9 32
10
(.39)
M20 x 1.5
M6 x 1.0
28
(1.10)
11
(.43)
43
(1.69)
78
(3.07)
57
(2.24)
12
(.47)
12 43
Without Pull Knob

Dimensions in:

millimeters
(inches)

Part Number
d1
Pin dia.
Tol. -0.02mm
-0.04mm
Fits Bore H7
d2
External
Thread
d3
Internal Thread
l1~
l2
l4~
t
min.
Spring Load in N
Type 1
No Internal Thread
Type 2
With Internal Thread
Without
Lock Nut
With
Lock Nut
Without
Lock Nut
With
Lock Nut
init. end
5
(.20)
M10 x 1.0
M3 x .5
6
(.24)
22
(.87)
29
(1.14)
7
(.28)
7 18
6
(.24)
M12 x 1.5
M4 x .7
7
(.28)
26
(1.02)
35
(1.38)
7
(.28)
7 21
8
(.31)
M16 x 1.5
M5 x .8
9
(.35)
34
(1.34)
48
(1.89)
9
(.35)
9 32
10
(.39)
M20 x 1.5
M6 x 1.0
11
(.43)
43
(1.69)
57
(2.24)
12
(.47)
12 43