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STP21A0400250B

Screw for Plastic
STP21A 4.0x25.0 - Z2
steel, hardened
Zinc-Nickel-plated min. 5µm, passivated black/ Cr-VI-free, baked, sealed

identical to WN1411 / KN1031
similar to WN1441

Product image Drawing

Specifications Downloads


Item Number		STP21A0400250B
Standard		KN1031
Material		steel, hardened
Surface		Zinc-Nickel-plated min. 5µm, passivated black/ Cr-VI-free, baked, sealed
Thread Outside-Ø	d1	4.00+0.18 mm
Thread Core-Ø	d2	2.17 mm
Thread Pitch	p	1.79 mm
Length	L	25.00±0.65 mm
Head-Ø	D	8.00-0.36 mm
Head Height	K	2.500±0.125 mm
Flange Thickness	S	0.90 mm
Thread Run-Out	X	2.00 mm
Radius	R	0.40 mm
Size Cross Recess		Z2
Penetration Depth	t	1.40 - 1.86 mm
Thread		STS
Weight		1.704 kg / 1000 pieces

All technical information about is available for download, here. Spec sheet Metric Drawing Inch Drawing Declaration of Conformity .STEP File .IGES File

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Stock level	6,255 pcs.
Quantity		pcs.
Unit Price	from 0.01450 €
Total	€
excl. shipping and tax

Quantity discounts

Quantity	Price each
from 1	€ 1.27000
from 10	€ 0.77000
from 20	€ 0.66000
from 50	€ 0.54000
from 100	€ 0.46400
from 200	€ 0.40000
from 300	€ 0.36700
from 400	€ 0.34500
from 500	€ 0.33000
from 1,000	€ 0.28500
from 2,000	€ 0.20500
from 3,000	€ 0.17000
from 4,000	€ 0.14900
from 5,000	€ 0.13500
from 6,000	€ 0.12500
from 7,000	€ 0.11600
from 8,000	€ 0.11000
from 9,000	€ 0.10500
from 10,000	€ 0.10000
from 11,000	€ 0.09540
from 12,000	€ 0.09100
from 13,000	€ 0.08680
from 14,000	€ 0.08290
from 15,000	€ 0.07920
from 16,000	€ 0.07570
from 17,000	€ 0.07240
from 18,000	€ 0.06940
from 19,000	€ 0.06650
from 20,000	€ 0.06370
from 22,000	€ 0.06020
from 24,000	€ 0.05720
from 26,000	€ 0.05470
from 28,000	€ 0.05250
from 30,000	€ 0.05060
from 32,000	€ 0.04890
from 34,000	€ 0.04740
from 36,000	€ 0.04600
from 38,000	€ 0.04480
from 40,000	€ 0.04370
from 42,000	€ 0.04270
from 44,000	€ 0.04180
from 46,000	€ 0.04090
from 48,000	€ 0.04010
from 50,000	€ 0.03940
from 55,000	€ 0.03780
from 60,000	€ 0.03650
from 65,000	€ 0.03530
from 70,000	€ 0.03430
from 75,000	€ 0.03300
from 80,000	€ 0.03180
from 85,000	€ 0.03080
from 90,000	€ 0.02980
from 95,000	€ 0.02900
from 100,000	€ 0.02820
from 110,000	€ 0.02690
from 120,000	€ 0.02580
from 130,000	€ 0.02480
from 140,000	€ 0.02400
from 150,000	€ 0.02330
from 160,000	€ 0.02270
from 170,000	€ 0.02210
from 180,000	€ 0.02160
from 190,000	€ 0.02120
from 200,000	€ 0.02080
from 220,000	€ 0.02010
from 240,000	€ 0.01950
from 260,000	€ 0.01900
from 280,000	€ 0.01850
from 300,000	€ 0.01810
from 320,000	€ 0.01780
from 340,000	€ 0.01750
from 360,000	€ 0.01720
from 380,000	€ 0.01700
from 400,000	€ 0.01680
from 420,000	€ 0.01660
from 440,000	€ 0.01640
from 460,000	€ 0.01630
from 480,000	€ 0.01610
from 500,000	€ 0.01600
from 550,000	€ 0.01560
from 600,000	€ 0.01540
from 650,000	€ 0.01520
from 750,000	€ 0.01510
from 850,000	€ 0.01500
from 1,000,000	€ 0.01490
from 1,200,000	€ 0.01480
from 1,500,000	€ 0.01470
from 2,000,000	€ 0.01460
from 3,000,000	€ 0.01450

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