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STP21A0400080B

Screw for Plastic
STP21A 4.0x8.0 - 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		STP21A0400080B
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	8.00±0.45 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		0.884 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	13,595 pcs.
Quantity		pcs.
Unit Price	from 0.00953 €
Total	€
excl. shipping and tax

Quantity discounts

Quantity	Price each
from 1	€ 1.26000
from 10	€ 0.83000
from 20	€ 0.73000
from 50	€ 0.62000
from 100	€ 0.54400
from 200	€ 0.47900
from 300	€ 0.44500
from 400	€ 0.42300
from 500	€ 0.40600
from 1,000	€ 0.35900
from 2,000	€ 0.24900
from 3,000	€ 0.20200
from 4,000	€ 0.17400
from 5,000	€ 0.15600
from 6,000	€ 0.14200
from 7,000	€ 0.13100
from 8,000	€ 0.12300
from 9,000	€ 0.11600
from 10,000	€ 0.11000
from 11,000	€ 0.10500
from 12,000	€ 0.09920
from 13,000	€ 0.09420
from 14,000	€ 0.08940
from 15,000	€ 0.08490
from 16,000	€ 0.08070
from 17,000	€ 0.07670
from 18,000	€ 0.07300
from 19,000	€ 0.06940
from 20,000	€ 0.06610
from 22,000	€ 0.06180
from 24,000	€ 0.05820
from 26,000	€ 0.05520
from 28,000	€ 0.05250
from 30,000	€ 0.05020
from 32,000	€ 0.04810
from 34,000	€ 0.04630
from 36,000	€ 0.04460
from 38,000	€ 0.04310
from 40,000	€ 0.04180
from 42,000	€ 0.04060
from 44,000	€ 0.03950
from 46,000	€ 0.03840
from 48,000	€ 0.03750
from 50,000	€ 0.03660
from 55,000	€ 0.03470
from 60,000	€ 0.03300
from 65,000	€ 0.03160
from 70,000	€ 0.03040
from 75,000	€ 0.02940
from 80,000	€ 0.02840
from 85,000	€ 0.02760
from 90,000	€ 0.02690
from 95,000	€ 0.02620
from 100,000	€ 0.02560
from 110,000	€ 0.02450
from 120,000	€ 0.02360
from 130,000	€ 0.02250
from 140,000	€ 0.02160
from 150,000	€ 0.02080
from 160,000	€ 0.02010
from 170,000	€ 0.01940
from 180,000	€ 0.01890
from 190,000	€ 0.01830
from 200,000	€ 0.01790
from 220,000	€ 0.01710
from 240,000	€ 0.01640
from 260,000	€ 0.01580
from 280,000	€ 0.01530
from 300,000	€ 0.01490
from 320,000	€ 0.01450
from 340,000	€ 0.01410
from 360,000	€ 0.01380
from 380,000	€ 0.01360
from 400,000	€ 0.01330
from 420,000	€ 0.01310
from 440,000	€ 0.01290
from 460,000	€ 0.01270
from 480,000	€ 0.01250
from 500,000	€ 0.01230
from 550,000	€ 0.01200
from 600,000	€ 0.01170
from 650,000	€ 0.01140
from 700,000	€ 0.01120
from 750,000	€ 0.01100
from 800,000	€ 0.01090
from 850,000	€ 0.01070
from 900,000	€ 0.01060
from 950,000	€ 0.01040
from 1,000,000	€ 0.01030
from 1,100,000	€ 0.01010
from 1,200,000	€ 0.00999
from 1,300,000	€ 0.00985
from 1,400,000	€ 0.00982
from 1,500,000	€ 0.00979
from 1,600,000	€ 0.00976
from 1,700,000	€ 0.00975
from 1,800,000	€ 0.00973
from 1,900,000	€ 0.00971
from 2,000,000	€ 0.00969
from 2,200,000	€ 0.00967
from 2,400,000	€ 0.00965
from 2,600,000	€ 0.00962
from 2,800,000	€ 0.00961
from 3,000,000	€ 0.00960
from 3,200,000	€ 0.00959
from 3,400,000	€ 0.00958
from 3,600,000	€ 0.00956
from 4,000,000	€ 0.00955
from 4,200,000	€ 0.00954
from 4,600,000	€ 0.00953

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