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STP38A0400400S
Screw for Plastic
Screw STS KN1038 4x40 - T20
steel, hardened 10.9
zinc-plated 5-7 µm, baked, blue / transparent passivated

identical to WN1451 / KN1038
Item Number STP38A0400400S
Head KN1038
Material steel, hardened 10.9
Surface zinc-plated 5-7 µm, baked, blue / transparent passivated
Thread outside-Ø d1 4.00 mm
Thread core-Ø d2 2.17 mm
Thread-pitch p 1.79 mm
Length L 40.00 ±0.800 mm
Head-Ø D 8.00 mm
Head height K 2.600 mm
Flange Thickness S 0.8 mm
Thread run-out X max. 2.00 mm
Radius R max. 0.40 mm
Hexalobular Drive (T) T20
Penetration Depth t min. 1.25 mm
Penetration Depth t max. 1.70 mm
Thread STS
Weight 2.472 kg/1000 pcs.
RoHS compliant yes
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ex stock 2,275 pcs.
within 10 working day(s) 92,421 pcs.
favored alternative STP380400400S
Quantities > 200,000 pcs. on request
Quantity pcs.
Unit Price from 0.04940 $
excl. shipping and tax
Quantity discounts
Quantity Price each
from 1 $ 1.82000
from 10 $ 0.90000
from 20 $ 0.73000
from 50 $ 0.55000
from 100 $ 0.45100
from 200 $ 0.36700
from 300 $ 0.32600
from 400 $ 0.30000
from 500 $ 0.28100
from 1,000 $ 0.23100
from 2,000 $ 0.19300
from 3,000 $ 0.17400
from 4,000 $ 0.16200
from 5,000 $ 0.15300
from 6,000 $ 0.14600
from 7,000 $ 0.14100
from 8,000 $ 0.13600
from 9,000 $ 0.13200
from 10,000 $ 0.12900
from 11,000 $ 0.12400
from 12,000 $ 0.11900
from 13,000 $ 0.11400
from 14,000 $ 0.10900
from 15,000 $ 0.10500
from 16,000 $ 0.10100
from 17,000 $ 0.09730
from 18,000 $ 0.09360
from 19,000 $ 0.09010
from 20,000 $ 0.08670
from 22,000 $ 0.08530
from 24,000 $ 0.08390
from 26,000 $ 0.08250
from 28,000 $ 0.08110
from 30,000 $ 0.07980
from 32,000 $ 0.07850
from 34,000 $ 0.07720
from 36,000 $ 0.07600
from 38,000 $ 0.07480
from 40,000 $ 0.07360
from 42,000 $ 0.07280
from 44,000 $ 0.07200
from 46,000 $ 0.07130
from 48,000 $ 0.07060
from 50,000 $ 0.07000
from 80,000 $ 0.06830
from 85,000 $ 0.06670
from 90,000 $ 0.06510
from 95,000 $ 0.06360
from 100,000 $ 0.06210
from 120,000 $ 0.06200
from 130,000 $ 0.06190
from 140,000 $ 0.06150
from 150,000 $ 0.06110
from 160,000 $ 0.05910
from 170,000 $ 0.05720
from 180,000 $ 0.05540
from 190,000 $ 0.05370
from 200,000 $ 0.04940
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Erik Braam
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