Hexagon socket flat spring washer combination

head shape
T type
T-shaped steps
Hexagon (single chamfer)
Hexagon (double chamfer)
Hexagon (without chamfer)
Hexagonal flange
Hexagonal pocket
Hexagonal steps
Hexagonal hole
Hexagonal flange
Twelve cents
half sunken head
hanging ring
trumpet
Quartet
square flange
square neck
round head
Round head flange
Round head square neck
Round head oval neck
cylinder
cylindrical steps
Cylindrical with hole
Cylindrical countersunk head
cone
big cylinder
Big crew cut
Big flat head
small pantou
Flat round head
bending
Flat T shape
flat head
thumb
Square slope
plum bossom
sunken head
Countersunk head with tenon
Countersunk head with ribs
Countersunk Square Neck
Head sinking and root cleaning
Spherical cylinder
pan head
short cylinder
dish-shaped
Geometry
slot
inner triangle
Hexagon socket
Hexagon socket guide hole
Hexagon anti-theft
Inner Sifang
dodecagon groove
Cross recess
Composite tank
Grooving
plum blossom trough
Plum blossom slot anti-theft
Rice slot
Material
06A/45#
304/304
304/420
304/42A
304/45A
316/316
316L
35K
40Cr
5050/1008
5056/45#
5056/45A
65Mn
70#
Q195
Q235
carbon steel
201
304
316
10B21
35CrMo
SCM435
45#
Standard
DIN German standard
GB national standard
Cantonese standard
surface treatment
polished phosphating
true color
Whitening/phosphating
white zinc
polish
Copper
Copper plating
galvanized
whitewash
blackened
Blue and white zinc
Color zinc
Dacromet
Thread
Fully threaded
Partial / Full Thread
Partially threaded
Performance level
38-46HRC
A2-035
A4-80
A2-50
A2-70
A4-70
4.8
8.8
10.9
12.9
hardness
100HV
140HV
200HV
300HV
420-490HV
430-530HV