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STP31A0400120B

Screw for Plastic
STP31A 4.0x12.0 - 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		STP31A0400120B
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	12.00±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		1.073 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	119,868 pcs.
Quantity		pcs.
Unit Price	from 0.01070 €
Total	€
excl. shipping and tax

Quantity discounts

Quantity	Price each
from 1	€ 1.26000
from 10	€ 0.76000
from 20	€ 0.65000
from 50	€ 0.53000
from 100	€ 0.45900
from 200	€ 0.39500
from 300	€ 0.36200
from 400	€ 0.34000
from 500	€ 0.32400
from 1,000	€ 0.28000
from 2,000	€ 0.20000
from 3,000	€ 0.16500
from 4,000	€ 0.14400
from 5,000	€ 0.13000
from 6,000	€ 0.11900
from 7,000	€ 0.11100
from 8,000	€ 0.10500
from 9,000	€ 0.09930
from 10,000	€ 0.09480
from 11,000	€ 0.09010
from 12,000	€ 0.08570
from 13,000	€ 0.08150
from 14,000	€ 0.07760
from 15,000	€ 0.07390
from 16,000	€ 0.07040
from 17,000	€ 0.06710
from 18,000	€ 0.06410
from 19,000	€ 0.06110
from 20,000	€ 0.05840
from 22,000	€ 0.05490
from 24,000	€ 0.05190
from 26,000	€ 0.04940
from 28,000	€ 0.04720
from 30,000	€ 0.04530
from 32,000	€ 0.04360
from 34,000	€ 0.04210
from 36,000	€ 0.04070
from 38,000	€ 0.03950
from 40,000	€ 0.03840
from 42,000	€ 0.03740
from 44,000	€ 0.03650
from 46,000	€ 0.03560
from 48,000	€ 0.03480
from 50,000	€ 0.03410
from 55,000	€ 0.03250
from 60,000	€ 0.03120
from 65,000	€ 0.03000
from 70,000	€ 0.02900
from 75,000	€ 0.02820
from 80,000	€ 0.02740
from 85,000	€ 0.02670
from 90,000	€ 0.02610
from 95,000	€ 0.02550
from 100,000	€ 0.02500
from 110,000	€ 0.02370
from 120,000	€ 0.02260
from 130,000	€ 0.02160
from 140,000	€ 0.02080
from 150,000	€ 0.02010
from 160,000	€ 0.01950
from 170,000	€ 0.01890
from 180,000	€ 0.01840
from 190,000	€ 0.01800
from 200,000	€ 0.01760
from 220,000	€ 0.01690
from 240,000	€ 0.01630
from 260,000	€ 0.01580
from 280,000	€ 0.01530
from 300,000	€ 0.01490
from 320,000	€ 0.01460
from 340,000	€ 0.01430
from 360,000	€ 0.01410
from 380,000	€ 0.01380
from 400,000	€ 0.01360
from 420,000	€ 0.01340
from 440,000	€ 0.01320
from 460,000	€ 0.01310
from 480,000	€ 0.01290
from 500,000	€ 0.01280
from 550,000	€ 0.01250
from 600,000	€ 0.01220
from 650,000	€ 0.01200
from 700,000	€ 0.01180
from 750,000	€ 0.01160
from 800,000	€ 0.01150
from 850,000	€ 0.01130
from 900,000	€ 0.01120
from 1,100,000	€ 0.01110
from 1,300,000	€ 0.01100
from 1,700,000	€ 0.01090
from 2,400,000	€ 0.01080
from 3,800,000	€ 0.01070

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