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STP210250250B
Screw for Plastic
STP21 2.5x25.0 - Z1
steel, hardened
Zinc-Nickel-plated min. 5µm, passivated black/ Cr-VI-free, baked, sealed

similar to WN5411 / KN6031
Item Number STP210250250B
Standard KN6031
Material steel, hardened
Surface Zinc-Nickel-plated min. 5µm, passivated black/ Cr-VI-free, baked, sealed
Thread Outside-Ø d1 2.50+0.10 mm
Thread Core-Ø d2 1.72 mm
Thread Pitch p 0.95 mm
Length L 25.00±0.65 mm
Head-Ø D 5.50-0.48 mm
Head Height K 1.800±0.125 mm
Flange Thickness S 0.70 mm
Thread Run-Out X 1.30 mm
Radius R 0.40 mm
Size Cross Recess Z1
Penetration Depth t 1.01 - 1.26 mm
Thread STS-plus
Weight 0.773 kg / 1000 pieces
Add item to cart
Stock level 0 pcs.
minimum order quantity 1,000 pcs.
Lead time 6 weeks
Quantity pcs.
Unit Price from 0.02570 $
excl. shipping and tax
Quantity discounts
Quantity Price each
from 1 $ 1.31000
from 10 $ 0.78000
from 20 $ 0.67000
from 50 $ 0.55000
from 100 $ 0.47300
from 200 $ 0.40700
from 300 $ 0.37200
from 400 $ 0.35000
from 500 $ 0.33400
from 1,000 $ 0.28800
from 2,000 $ 0.20600
from 3,000 $ 0.17000
from 4,000 $ 0.14800
from 5,000 $ 0.13400
from 6,000 $ 0.12300
from 7,000 $ 0.11500
from 8,000 $ 0.10800
from 9,000 $ 0.10300
from 10,000 $ 0.09810
from 11,000 $ 0.09330
from 12,000 $ 0.08880
from 13,000 $ 0.08450
from 14,000 $ 0.08050
from 15,000 $ 0.07670
from 16,000 $ 0.07310
from 17,000 $ 0.06980
from 18,000 $ 0.06660
from 19,000 $ 0.06360
from 20,000 $ 0.06080
from 22,000 $ 0.05720
from 24,000 $ 0.05420
from 26,000 $ 0.05160
from 28,000 $ 0.04930
from 30,000 $ 0.04730
from 32,000 $ 0.04560
from 34,000 $ 0.04410
from 36,000 $ 0.04270
from 38,000 $ 0.04140
from 40,000 $ 0.04030
from 42,000 $ 0.03930
from 44,000 $ 0.03830
from 46,000 $ 0.03740
from 48,000 $ 0.03660
from 50,000 $ 0.03590
from 55,000 $ 0.03430
from 60,000 $ 0.03290
from 65,000 $ 0.03170
from 70,000 $ 0.03070
from 75,000 $ 0.02980
from 80,000 $ 0.02900
from 85,000 $ 0.02830
from 90,000 $ 0.02770
from 160,000 $ 0.02720
from 170,000 $ 0.02670
from 180,000 $ 0.02640
from 190,000 $ 0.02600
from 200,000 $ 0.02570
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Erik Braam
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