The Bank of Japan used the 2005 Corporate Price Index (CGPI) as a benchmark (set to 100) to calculate the price index of some fasteners and related raw materials in February 2011.
Japan Domestic Standard Wholesale Price Index
species
2011/2
2010/2
Last month (%)
Last year ratio (%)
total average
104.1
102.4
0.2
1.7
bolt
112.5
109.4
0.0
2.8
Nuts
123.6
117.5
0.0
5.2
Screws
113.6
112.9
-0.4
0.6
rivet
126.7
122.5
0.0
3.4
Small bar steel
114.4
96.6
2.1
18.4
Wire rod
144.0
128.8
0.0
11.8
Alloy tool steel
104.1
105.1
0.1
-1.0
Carbon steel for mechanical construction
151.5
120.9
-0.4
25.3
Structure alloy steel
140.7
118.0
-0.1
19.2
Spring steel
132.8
117.2
0.0
13.3
Bearing steel
125.3
109.1
0.0
14.8
Quick cut steel
135.5
120.0
0.0
12.9
Piano line
133.0
120.4
0.0
10.5
High strength steel
124.9
117.1
0.0
6.7
Grinding bar steel
144.7
129.5
-0.1
11.7
iron wire
132.0
126.3
0.0
4.5
Hard wire
128.9
118.9
0.0
8.4
Stainless steel wire
120.4
114.8
0.5
4.9
Cold-rolled carbon steel wire for stamping
140.3
131.1
0.0
7.0
Brass steel
188.4
160.3
4.8
17.5
Aluminum alloy rod
100.6
94.3
0.0
6.7
Solder
141.1
117.5
6.4
20.1
Asian lead castings
105.9
105.6
0.0
0.3
Aluminum and Aluminum Alloy Die Castings
106.5
102.4
0.0
4.0
Export price index species
2011/2
2010/2
Last month (%)
Last year ratio (%)
total average
86.2
87.6
0.9
-1.6
Bolts and nuts
99.6
104.3
-0.1
-4.5
Wire rod
96.3
90.6
0.2
6.3
Spring steel
120.1
111.7
-0.2
7.5
Grinding bar steel
109.1
90.6
-0.2
20.4
Import price index species
2011/2
2010/2
Last month (%)
Last year ratio (%)
total average
112.7
104.7
1.6
7.6
Bolts and nuts
137.9
124.0
-0.1
11.2
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