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STP31A0400180B

Screw for Plastic
STP31A 4.0x18.0 - H2
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		STP31A0400180B
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	18.00±0.55 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		H2
Penetration Depth	t	1.33 - 1.96 mm
Thread		STS
Weight		1.363 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	8,966 pcs.
Quantity		pcs.
Unit Price	from 0.01240 €
Total	€
excl. shipping and tax

Quantity discounts

Quantity	Price each
from 1	€ 1.27000
from 10	€ 0.76000
from 20	€ 0.66000
from 50	€ 0.54000
from 100	€ 0.46200
from 200	€ 0.39800
from 300	€ 0.36500
from 400	€ 0.34300
from 500	€ 0.32700
from 1,000	€ 0.28200
from 2,000	€ 0.20200
from 3,000	€ 0.16700
from 4,000	€ 0.14600
from 5,000	€ 0.13200
from 6,000	€ 0.12200
from 7,000	€ 0.11400
from 8,000	€ 0.10700
from 9,000	€ 0.10200
from 10,000	€ 0.09750
from 11,000	€ 0.09280
from 12,000	€ 0.08840
from 13,000	€ 0.08420
from 14,000	€ 0.08030
from 15,000	€ 0.07660
from 16,000	€ 0.07310
from 17,000	€ 0.06980
from 18,000	€ 0.06680
from 19,000	€ 0.06380
from 20,000	€ 0.06110
from 22,000	€ 0.05760
from 24,000	€ 0.05460
from 26,000	€ 0.05210
from 28,000	€ 0.04990
from 30,000	€ 0.04800
from 32,000	€ 0.04630
from 34,000	€ 0.04480
from 36,000	€ 0.04340
from 38,000	€ 0.04220
from 40,000	€ 0.04110
from 42,000	€ 0.04010
from 44,000	€ 0.03920
from 46,000	€ 0.03830
from 48,000	€ 0.03750
from 50,000	€ 0.03680
from 55,000	€ 0.03520
from 60,000	€ 0.03390
from 65,000	€ 0.03270
from 70,000	€ 0.03170
from 75,000	€ 0.03090
from 80,000	€ 0.03010
from 85,000	€ 0.02900
from 90,000	€ 0.02810
from 95,000	€ 0.02730
from 100,000	€ 0.02650
from 110,000	€ 0.02520
from 120,000	€ 0.02410
from 130,000	€ 0.02310
from 140,000	€ 0.02230
from 150,000	€ 0.02160
from 160,000	€ 0.02100
from 170,000	€ 0.02040
from 180,000	€ 0.01990
from 190,000	€ 0.01940
from 200,000	€ 0.01900
from 220,000	€ 0.01830
from 240,000	€ 0.01770
from 260,000	€ 0.01720
from 280,000	€ 0.01680
from 300,000	€ 0.01640
from 320,000	€ 0.01610
from 340,000	€ 0.01580
from 360,000	€ 0.01550
from 380,000	€ 0.01530
from 400,000	€ 0.01510
from 420,000	€ 0.01490
from 440,000	€ 0.01470
from 460,000	€ 0.01450
from 480,000	€ 0.01440
from 500,000	€ 0.01420
from 550,000	€ 0.01390
from 600,000	€ 0.01370
from 650,000	€ 0.01340
from 700,000	€ 0.01320
from 750,000	€ 0.01310
from 800,000	€ 0.01300
from 950,000	€ 0.01290
from 1,200,000	€ 0.01280
from 1,400,000	€ 0.01270
from 1,800,000	€ 0.01260
from 2,600,000	€ 0.01250
from 4,600,000	€ 0.01240

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