Countersunk-head screws that follow the Unified Thread Standard very often have an 82° angle, and screws that follow the ISO standard very often have a 90° angle. Throughout the aerospace industry, countersunk fasteners typically have an angle of 100°.
What are the advantages of countersunk screws?
It makes it easier to drive the screw and creates a better hold.
It preserves the integrity of the wood.
It provides a neater finished look – no raised head or splintered edges.
It enables a plug or cap to be used to cover the screw head and create a clean, unbroken appearance.
| Item | GB2673 machine screw plum blossom countersunk head | |||
Material | stainless steel, Steel | |||
| Finish | Plain | |||
| Application | Heavy Industry, Retail Industry, General Industry, Automotive Industry | |||
Measurement system | Metric | |||
Model number | SO14581 | |||
Standard | DIN | |||
Grade | A2-70,A4-80 | |||
Size | M2.M3.M4.M5,M6...... | |||
| Length | 4mm, 9mm, 10mm, 12mm, 25mm | |||
Certificate | ISO9001-2008 | |||
Customization | Provided | |||
Sample | Provided | |||
Single packaging size | 25*25*16CM | |||
Singe gross weight | 25kg | |||
Package type | (1)Small box packging | |||
(2)25-30kgs/ctn in bulk, 36-48cartons/pallet | ||||
(3)Assortment in poly bag or plastic box | ||||
Delivery time | Quantity | Delivery time | ||
1-1000pcs | 3 days | |||
1001-5000pcs | 7 days | |||
5001-10000pcs | 9 days | |||
>10000pcs | To be negotiated | |||




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