Home > Products > Tension Control Bolt/TC Bolt > ASTM A325 TC BOLTS GRADE 8.8S 10.9S FOR STEEL STRUCTURE
ASTM A325 TC BOLTS GRADE 8.8S 10.9S FOR STEEL STRUCTURE
- 500 Ton / Tons per Month
- ningbo/shanghai
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Product Details
Place of Origin: | Zhejiang, China | Brand Name: | HYZ | Model Number: | S10T |
Standard: | GB |
Product Description
Features of High Strength T.C. (Tension Control) Bolts
T.C. bolts, improved type of heavy hexagonal structural bolts, were developed
for more simplified bolt fastening and more accurate performance and offer such
excellent characteristics as shown below because no fastening technique of high
level is required :
Installation Procedure
The bolt reacts to the fastening torque and the notched end of the bolt shears off.
The required clamping force is thus given.
1 Controlled clamping force can be ensured.
2 Completion of bolt fastening can be comfirmed by the shear-off
of the notched end of the bolt.
3 Fastening can easily be done by electric wrench.
4 Noiseless installation and no need of wrench adjustment.
5 The bolt does not rotate when fastening.
6 No apprehension of bolts being left unfastened.
Determination of Bolt Length
Classes and Grades
Mechanical Properties
Machined Test Pieces
Grade of bolt according Yield Tensile Elongation Reduction
to mechanical properties strength strength (%) of area
(N/mm2) (N/mm2) (%)
S 10 T 900 min. 1000 ~ 1200 min. 14 min. 40 min.
Full Size Bolts
Tensile load (min.) (KN)
Grade of bolt according
to mechanical properties Nominal size of threads Hardness
M16 M20 M22 M24 M27 M30
S 10 T 157 245 303 353 459 561 HRC 27 ~ 38
Nuts
Grade of nut according Hardness
to mechanical properties Proof load
Min. Max.
F 10 HRB 95 HRC 35
Same as tensile
load (min.) of bolt
Hardness of Washers
Grade of washer according to mechanical properties Hardness
F 35 HRC 35 ~ 45
High Strength T.C. Bolts (JSS II 09 S10T)
4
50 s
Shape and Dimensions
High Strength Tension Control Bolts
Nominal d1 H D r s
size of
threads Basic Tolerance Basic Tolerance Min. Basic Tolerance
(d) dimension dimension dimension
+0.7 +5
M16 16 ~ 10 ±0.8 26 30 ~
-0.2 0
1.2 ~ 2.0
M20 20 13 33 35
M22 22 14 37 40
+0.8 ±0.9 +6
M24 24 ~ 15 41 45 ~
-0.4 1.6 ~ 2.4 0
M27 27 17 47 50
M30 30 19 ±1.0 53 2.0 ~ 2.8 55
Unit: mm
Nominal bolt length (l) Tolerance
30 up to 50 ±1.0
55 up to 120 ±1.4
125 up to 180 ±1.8
d C
B
90°~120°
D1
H
h
50 s
D 30°
50 s
Unit: mm
Heavy Hexagon Nuts
Nominal Outside H B C D D1 h
size of diameter
threads external Basic Tolerance Basic Tolerance Approx. Approx. Min.
(d) thread dimension dimension
0
M16 16 16 ±0.35 27 ~ 31.2 25 25
-0.8
M20 20 20 32 37.0 30 29
0.4
M22 22 22 36 41.6 34 33 ~
0 0.8
M24 24 24 ±0.4 41 ~ 47.3 39 38
-1
M27 27 27 46 53.1 44 43
M30 30 30 50 57.7 48 47
5
Unit: mm
Plain Washers
d D t
Nominal
size of Basic Tolerance Basic Tolerance Basic Tolerance
washers dimension dimension dimension
+0.7
M16 17 ~ 32
0 4.5 ±0.5
M20 21 40 0
~
M22 23 +0.8 44 -1
~
M24 25 0 48 6
M27 28 56 ±0.7
+1.0 0
M30 31 ~ 60 ~ 8
0 -1.2
Contact Us
- Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
- Contact nameAndy Xu
- Phone86-571-82453022
- AddressWangJiazha Village, Jinhua Town Xiaoshan Hangzhou. China Hangzhou,Zhejiang
Ceramic Ferrule | Large hexagon head bolt/F10T | New Products | Non-Standard Fasteners |
Partial Thread Stud/Drawn Arc Stud | Stud Welder/Welding machine/welding gun | Tension Control Bolt/TC Bolt |
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