Order Info
- Order will be shipped out from DE warehouse in 1-3 business days once being processed.
- Free Shipping over €55 (most EU countries)
- Free Shipping over €119 (Norway, Cyprus, Malta, Switzerland)
- Shipping rates vary by locations. See our Shipping Policy for details.
Specification 
3D Model
|
Product ID
|
L (mm)
Shoulder Length |
d (mm)
Shoulder Diameter |
S (mm)
Thread Length |
D (mm)
Head Diameter |
H (mm)
Head Thickness |
k (mm)
Hexagon Across Flats |
t (mm)
Groove Depth |
Screwdriver Bit
Size |
| AA208 | 5 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA121 | 6 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA122 | 8 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA209 | 10 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA123 | 12 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA210 | 14 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA124 | 16 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA211 | 18 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA125 | 20 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA126 | 25 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
| AA127 | 30 | 4.0 | 6.0 | 6.9 | 3.5 | 3.0 | 1.5 | H3 |
*Compliant with the requirements of GB 5281 - 1985 standard [Equivalent standards: ISO 7379 - 1983]
Forgot the screw specs? Just tap the Screw Gauge for sorting help.
Basic Information
| Surface Treatment | Zinc-nickel alloy plating |
| Mounting Hole Shape | Hex socket |
| Screw Type | Half thread |
| Material | Carbon steel |
| Thread Ridge Type | Metric coarse |
| Color | Silver |
Product Feature
-
Carbon Steel Socket Head Shoulder Machine Screws (SHSS)
-
Strength grade: 4.8
-
Half thread series
-
Using a shoulder section as a bare shaft for easy mounting of bearings or other components