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[NBK] Special Screws

NABEYA BI-TECH (NBK) is an expert in Special Screws with many types of usage.

You can enjoy Same Day Shipping for NBK

Special Screws

More than 10 types to select to match with your needs.

Plastic Screws

Plastic Screws

Space Saving Bolts

Space Saving Bolts

Hex Socket Head Cap Screws

Hex Socket Head
Cap Screws

for Precision Instruments

for Precision
Instruments

Plastic Screws

Physical property
Properties
Test
Method
Unit
PEEK
PTFE
PPS
RENY
PC
PP
PVDF
POM
PFA
Tensile Strength
D638
N/mm2
97
24
185
285
62
36
57
60
28
Tensile Elongation
D638
%
65
200 - 400
1.9
2.1
110
500
70 - 80
60
88
Flexural Strength
D790
N/mm2
156
-
255
380
88.2
-
75
90
-
Flexural Modulus
D790
GPa
4.1
0.56
13.2
17.4
2.3
1.5
1.99
2.58
0.48
Izot Impact (with Notch)
D256
J/m
94
160
100
110
880
30
160 - 375
63
No fracture
Rockwell Hardness
D785
R and M Scales
M99
-
M100
M111
R120
R100
R93 - 116
M80
-
Deflection Temp. under Load(1.82 MPa)
D648
152
-
260
234
135
120
80
110
-
Flame Class
UL94
-
V-0
V-0
V-0
HB
V-2
HB
V-0
HB
V-0
Dielectric Constant(106Hz)
D150
-
3.3
<2.1
4.6
4
2.9
-
10
3.7
<2.1
Dielectric Loss Tangent(106Hz)
D150
-
0.003
<0.0002
0.002
0.009
0.009
-
0.015
0.007
0.0003
Volume Resistivity(×1014)
D257
Ω・m
4.9
>100
1
1.3
4
1
0.1 - 1
1
>100
Dielectric Breakdown Strength
D149
MV/m
17
19
12
32
16
31
300
19
20
Arc Resistance
D495
sec
23
>300
120
129
120
-
-
240
>300
Specific Gravity
D792
-
1.3
2.14 - 2.2
1.66
1.65
1.2
0.91
1.79
1.41
2.15
Water Absorption
(in 23 °C Water for 24 h)
D570
%
0.5
0.01
0.015
0.14
0.15
0.01
0.03
0.22
0.01
Glass Fiber Content
-
%
-
-
40
50
-
-
-
-
-
※Values in chart are for reference only. They are not guaranteed values.


Chemical resistance
Chemical Name
PEEK
PTFE
PPS
H-PVC
RENY
PC
PP
PVDF
POM
PFA
10% Hydrochloric Acid
10% Sulfuric Acid
50% Sulfuric Acid
-
10% Nitric Acid
50% Nitric Acid
-
10% Hydrofluoric Acid
-
50% Hydrofluoric Acid
Phosphoric Acid
Formic Acid
Phosphoric Acid
Citric Acid
Chromic Acid
Boric Acid
-
Methyl Alcohol
-
-
Glycol
-
-
-
-
Ammonia
10% Sodium Hydroxide
-
10% Potassium Hydroxide
Calcium Hydroxide
Water
Hydrogen Sulfide (Gas)
-
Sulfur Dioxide
-
-
Ammonium Nitrate
-
Sodium Nitrate
-
Calcium Carbonate
-
Calcium Chloride
Magnesium Chloride
Magnesium Sulfate
-
Zinc Sulfate
-
Hydrogen Peroxide

〇:Usable
△:Usable under certain conditions
✕:Non-usable
※A test piece was used to acquire the test data at room temperature (23°C). Chemical resistance changes with performance conditions. Always carry out tests under performance conditions similar to actual conditions in advance.


NBK Space Saving Bolts

Hex Socket Head Cap Screws

Screws for Precision Instruments

*Product details (Price, leadtime and availability) may be subjected to updates.
*Product image for illustration purposes only.
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