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STP21A0250180S
Screw for Plastic
STP21A 2.5x18.0 - Z1
steel, hardened
zinc-plated 5-7 µm, baked, blue / transparent passivated

identical to WN1411 / KN1031
similar to WN1441
Item Number STP21A0250180S
Standard KN1031
Material steel, hardened
Surface zinc-plated 5-7 µm, baked, blue / transparent passivated
Thread Outside-Ø d1 2.50+0.14 mm
Thread Core-Ø d2 1.40 mm
Thread Pitch p 1.12 mm
Length L 18.00±0.55 mm
Head-Ø D 5.00-0.30 mm
Head Height K 1.800±0.125 mm
Flange Thickness S 0.60 mm
Thread Run-Out X 1.30 mm
Radius R 0.30 mm
Size Cross Recess Z1
Penetration Depth t 1.01 - 1.26 mm
Thread STS
Weight 0.514 kg / 1000 pieces
Add item to cart
local stock 5,000 pcs.
remote stock (10 working day(s) transfer time) 34,773 pcs.
Quantity pcs.
Unit Price from 0.01960 $
excl. shipping and tax
Quantity discounts
Quantity Price each
from 1 $ 1.36000
from 10 $ 0.68000
from 20 $ 0.55000
from 50 $ 0.42000
from 100 $ 0.33900
from 200 $ 0.27600
from 300 $ 0.24500
from 400 $ 0.22500
from 500 $ 0.21100
from 1,000 $ 0.17200
from 2,000 $ 0.13200
from 3,000 $ 0.11300
from 4,000 $ 0.10200
from 5,000 $ 0.09370
from 6,000 $ 0.08760
from 7,000 $ 0.08290
from 8,000 $ 0.07900
from 9,000 $ 0.07570
from 10,000 $ 0.07290
from 11,000 $ 0.06930
from 12,000 $ 0.06590
from 13,000 $ 0.06270
from 14,000 $ 0.05970
from 15,000 $ 0.05690
from 16,000 $ 0.05420
from 17,000 $ 0.05170
from 18,000 $ 0.04930
from 19,000 $ 0.04710
from 20,000 $ 0.04500
from 22,000 $ 0.04230
from 24,000 $ 0.04000
from 26,000 $ 0.03810
from 28,000 $ 0.03640
from 30,000 $ 0.03490
from 32,000 $ 0.03360
from 34,000 $ 0.03240
from 36,000 $ 0.03140
from 38,000 $ 0.03040
from 40,000 $ 0.02960
from 42,000 $ 0.02880
from 44,000 $ 0.02810
from 46,000 $ 0.02750
from 48,000 $ 0.02690
from 50,000 $ 0.02630
from 55,000 $ 0.02510
from 60,000 $ 0.02400
from 65,000 $ 0.02320
from 70,000 $ 0.02240
from 75,000 $ 0.02170
from 80,000 $ 0.02110
from 85,000 $ 0.02060
from 90,000 $ 0.02010
from 95,000 $ 0.01970
from 100,000 $ 0.01960
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Erik Braam
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