ATEC-PANDA 2188 - Bolt, Screw; Nut, Washer

— 54 —
Bolt, Screw
S
• • • • • • • • • •
—
•
1 2 3 4 5 6 7 8 9 10 11 12
13
Nut, Washer
S X
• • • • •
— —
• •
—
•
1 2 3 4 5 6 7 8 9 10 11 12
13
11
th
digit: Coating material (nut, washer)
A B C D E F
Ni Cr Cu Zinc
black
Zinc
yellow
Zinc
white
7
th
,8
th
,9
th
digits: Length (mm)
L<10mm L>=10mm
Decimal: indication
with R
No indication of
decimal
Example:L=6mm 6R0 L= 350mm 350
4
th
digit: Category 3 (suitable for
components, others indicated with
“_”)
A With flat washer
B With spring washer
C With flat and spring washer
D With quincunx washer
2
nd
digit: Category 1
A Bolt GB M Notch head tap screw GB
B Bolt SJ N Notch head tap screw SJ
C Screw GB P Flat head tap screw GB
D Screw SJ Q Flat head tap screw SJ
E Combined Screw GB R Combined sharp head tap screw GB
F Combined Screw SJ S Combined sharp head tap screw SJ
G T Combined notch head tap screw GB
H U Combined notch head tap screw SJ
J Y Non-standard tap screw
K Sharp head tap screw GB
L Sharp head tap screw SJ X Nut and washer
3
rd
digit: Category 2
A Cross pan head
B Cross pan head with washer
C Cross sunk head
D Cross hex head
E Cross hex head with washer
F Socket hex head
G Cross flat head
10
th
digit: Material
A B
C U E F G N
Al
Cu Stainless steel Normal
steel
Nylon
11
th
digit: Coating material
A B C D E F
Ni Cr Cu
Zinc
black
Zinc
yellow
Zinc
white
5
th
,6
th
digits: Diameter (mm)
1. D<10mm: direct indication (no
indication for decimals)
2. D
≥
10mm: tens digit indicated with
code
A 10 D 40 G 70
B 20 E 50 H 80
C 30 F 60 J 90
Example: D=15mm A5
D=3.0mm 30
D=20mm B0
13
th
digit: Manufacturer
6
th
, 7
th
digits: Diameter (mm)
1. D<10mm: direct indication (no
indication for decimals)
2. D
≥
10mm: tens digit indicated
with code
A 10 D 40 G 70
B 20 E 50 H 80
C 30 F 60 J 90
Example:D=15mm A5
13
th
digit: Manufacturer
3
rd
digit:
N Nut
W Washer
Washer: 4
th
digit:
Category 1
1 GB
2 SJ
3 Non-standard
5
th
digit: Category 2
A Normal hex H Combined with flat washer
B Fine thread
hex
J Combined with spring washer
C Square K Combined with flat and spring
washer
D Wing L Combined with quincunx washer
E Thin cap M Combined with bowl-form
washer
F Thick cap N
G Hex with
washer
Nut: 4
th
digit: Category 1
1 GB
2 SJ
3 Non –standard
5
th
digit: Category 2
A
Standard flat washer
G
External tooth flat washer
B
Small size flat washer
H
Both internal and external
tooth flat washer
C
Big size flat washer
J
Conical external tooth washer
D
Circular spring washer
L Quincunx washer
E
Flat spring washer
M Bowl-form washer
F
Internal tooth flat
washer
10
th
digit: Material (nut, washer)
A B
C U E F G N
Al
Cu
Stainless
steel
Normal
steel
Nylon