DIN 417 Set Screw with Slotted Head and Cylindrical End

The DIN 417 standard covers headless cylindrical screws with a cylindrical, threadless end — a pivot. It is designed for installation into a prepared hole in the material and secure fixing of parts. The opposite end of the screw has a straight slot for driving with a flat-blade screwdriver. The thread diameter ranges from M2.5 to M10.

Materials and usage features

DIN 417 screws are made from the following materials:

• Durable steel grades 14R, 14H.
• Steel with a zinc coating applied by electroplating.
• Stainless steel grades A2 and A4 – the metal resists aggressive environmental action.
• Non-ferrous metals and alloys, such as brass.
• Polyamide and other types of plastic. It is not subject to corrosion and can be used in high humidity.

Set screws of this type can have a length from 3 to 4 mm in accordance with the standard. They are used in the assembly of machines and mechanisms for secure fixing of parts relative to one another. They are used in mechanical engineering and its branches, instrument making, machine tool building, furniture manufacturing, and more. FLOK supplies this fastener product.

Dimensions of DIN 417 set screws, mm:

n	0.4	0.4	0.6	0.8	1	1.2	1.6
z min.	1.25	1.5	2	2.5	3	4	5
l	d
	M2.5	M3	M4	M5	M6	M8	M10
3
4
5
6
8
10
12
16
18
20
25
30
35
40

d		M1.6	M2	M2.5	M3	M3.5	M4	M5	M6	M8	M10	M12
P		0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1.2	1.5	1.75
n		0.3	0.3	0.4	0.4	0.5	0.6	0.8	1.6	2	2.5	2
z		0.8	1	1.25	1.5	1.75	2	2.5	3	4	5	6
l	min.	2	3	4	5	5	6	8	8	10	12	20
	max.	3	6	8	12	16	16	20	30	40	55	80