This product is regulated by the following standards:

Technical data

DIN 34811

Standard DIN 34811

This standard specifies dimensions and mechanical and physical properties for sizes M3 to M8 flat head plastic screws with a type Z cross recess.

Dimensions in mm - source Din 34811 Publication date: 1999
d thread size	M 3	M 4	M 5	M 6	M 8
P	0.5	0.7	0.8	1	1.25
tolerance	6e	6e	6g	6g	6g
k nom	1.65	2.7	2.7	3.3	4.65
dk nom	5.5	8.4	9.3	11.3	15.8
cross recess nr.	1	2	2	3	4
m	3	4.4	4.9	6.6	8.8
tightening torque in Nm	0.1	0.25	0.5	0.8	1.8
screws shall be made of polyamide 6.6 natural colour

Din 34811 - commercial sizes

d thread size

M 3

M 4

M 5

M 6

M 8

nominal length l

Countersunk cross recessed flat head screws in plastic

Dimensions in mm - source Din 34811 1999
d thread size	M 3	M 4	M 5	M 6	M 8
P	0.5	0.7	0.8	1	1.25
tolerance	6e	6e	6g	6g	6g
k nom	1.65	2.7	2.7	3.3	4.65
dk nom	5.5	8.4	9.3	11.3	15.8
cross recess nr.	1	2	2	3	4
m	3	4.4	4.9	6.6	8.8
tightening torque in Nm	0.1	0.25	0.5	0.8	1.8
screws shall be made of polyamide 6.6 natural colour

Din 34811 - commercial sizes

d thread size

M 3

M 4

M 5

M 6

M 8

nominal length l

Full list of Suppliers of Countersunk cross recessed flat head screws in plastic

This standard specifies dimensions and mechanical and physical properties for sizes M3 to M8 flat head plastic screws with a type Z cross recess.

GBK UK Limited

Manufacturer of plastic fasteners, panel access fasteners

Hong Kong

Gecko International Co.

Distribution of plastic injection mould and plastic fasteners

Germany

Georg Hartenbach

Manufacturer of plastic technical turned parts

Nylon & Alloys Ltd

Distributor of plastic, aluminium, and titanium fasteners

Brazil

Plastwood

Manufacturer of plastic fasteners, metric and inch sizes

Taiwan

Yi Hung Washer - Yh Taiwan

Manufacturer of all kind of flat washers and plastic screws

Italy

Buora d.p.u. S.r.l.

Founded in 1969, Buora D.P.U. is a distributor certified following ISO 9001.

The company offers the complete range of high strength fasteners, ready on stock, both coarse and fine pitches with metric and inch threads.

Distributor of prestigious brands such as UNBRAKO and NORD-LOCK, for Buora D.P.U. the service always comes first, therefore there is not minimum quantity required.