Screws for Plastic -
Washer head with PZ-drive

STP21A

Washer head with PZ-drive

identical to WN1411 / KN1031
similar to WN1441

Your Contact Person

Christiane Hoffmann

Languages: Deutsch, English

Phone +49 2351 65833-224
Fax +49 2351 65833-299

Mail info@screwerk.de

Range of Production Dimensions

Range of Production top

nominal-Ø (mm)

2.00

2.20

2.50

3.00

3.50

4.00

5.00

6.00

Legend

B - Steel, Zinc-Nickel-plated black C - A4-1.4578, plain E - A2-1.4567, plain J - A2-1.4567, black S - Steel, zinc-plated

in Stock
available within 2 weeks
≥ 4 weeks delivery time

Length (mm)

4.0 ± 0.375

4.5 ± 0.375

5.0 ± 0.375

6.0 ± 0.375

7.0 ± 0.450

8.0 ± 0.450

10.0 ± 0.450

12.0 ± 0.550

14.0 ± 0.550

16.0 ± 0.550

18.0 ± 0.550

20.0 ± 0.650

22.0 ± 0.650

25.0 ± 0.650

30.0 ± 0.650

35.0 ± 0.800

40.0 ± 0.800

45.0 ± 0.800

50.0 ± 0.800

55.0 ± 0.950

60.0 ± 0.950

65.0 ± 0.950

70.0 ± 0.950

Hint

Click on a grid location to view product details

Dimensions top

STP21A
d1	2.00 +0.14	2.20 +0.14	2.50 +0.14	3.00 +0.14	3.50 +0.18	4.00 +0.18	5.00 +0.18	6.00 +0.18
d2	1.15	1.25	1.40	1.66	1.91	2.17	2.68	3.19
p	0.89	0.98	1.12	1.34	1.57	1.79	2.24	2.69
D	4.00 -0.30	4.40 -0.30	5.00 -0.30	6.00 -0.30	7.00 -0.36	8.00 -0.36	10.00 -0.36	12.00 -0.43
K	1.400 ±0.125	1.600 ±0.125	1.800 ±0.125	2.100 ±0.125	2.400 ±0.125	2.500 ±0.125	3.200 ±0.150	4.000 ±0.150
S	0.5	0.5	0.6	0.7	0.8	0.9	1.1	1.3
X max.	1.00	1.10	1.30	1.50	1.80	2.00	2.50	3.00
R max.	0.25	0.25	0.30	0.35	0.35	0.40	0.45	0.60
Z-cross recess	1	1	1	1	2	2	2	3
t min.	0.73	0.86	1.01	1.26	1.08	1.40	2.01	2.27
t max.	0.98	1.11	1.26	1.51	1.54	1.86	2.47	2.73

Screws for Plastic - Washer head with PZ-drive

Range of Production top

Dimensions top

Screws for Plastic -
Washer head with PZ-drive