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Socket Cap Screws Alloy

Socket Cap Screws Alloy


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Socket Cap Screws Alloy

Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38-43, meets or exceeds ASTM A574. Manufactured from heat treated alloy steel, 1960 series.

Socket Cap Screws Alloy
Screw
Diam.
Head DiameterHead HeightHex
Socket
Size
Key
Engag-
ement
Wall
Thickness
Max.Min.Max.Min.Nom.Min.Min.
00.0960.0910.0600.0570.0500.0250.020
10.1180.1120.0730.0701/160.0310.025
20.1400.1340.0860.0835/640.0380.029
30.1610.1540.0990.0955/640.0440.034
40.1830.1760.1120.1083/320.0510.038
50.2050.1980.1250.1213/320.0570.043
60.2260.2180.1380.1347/640.0640.047
80.2700.2620.1640.1599/640.0770.056
100.3120.3030.1900.1855/320.0900.065
1/40.3750.3650.2500.2443/160.1200.095
5/160.4690.4570.3120.3061/40.1510.119
3/80.5620.5500.3750.3685/160.1820.143
7/160.6560.6420.4380.4303/80.2130.166
1/20.7500.7350.5000.4923/80.2450.190
5/80.9380.9210.6250.6161/20.3070.238
3/41.1251.1070.7500.7405/80.3700.285
7/81.3121.2930.8750.8643/40.4320.333
11.5001.4791.0000.9883/40.4950.380
1 1/41.8751.8521.2501.2367/80.6200.475
1 1/22.2502.2241.5001.48510.7450.570
 
Socket Cap Screws Alloy
Body and Grip Lenghts of Socket Head Cap Screws
Nom. size D0123456810
Basic Thread Length LT0.5000.6250.6250.6250.7500.7500.7500.8750.875
Nominal
Length L 1.00
LGLB
LGLB
LGLB
LGLB
LGLB
LGLB
LGLB
LGLB
LGLB
0.500.44
0.250.17
0.250.16
0.250.15
0.250.12
0.250.12
   
1.25
0.750.69
0.620.55
0.620.54
0.620.52
0.250.12
0.250.12
0.500.34
0.380.22
0.380.17
1.50 
0.880.80
0.880.79
0.880.77
0.750.62
0.750.62
0.500.34
0.380.22
0.380.17
1.75  
1.121.04
1.121.02
0.750.62
0.750.62
1.000.84
0.880.72
0.880.67
2.00   
1.381.27
1.251.12
1.251.12
1.000.84
0.880.72
0.880.67
2.25    
1.251.12
1.251.12
1.501.34
1.381.22
1.381.17
2.50     
1.751.62
1.501.34
1.381.22
1.381.17
2.75      
2.001.84
1.881.72
1.881.67
3.00       
1.881.72
1.881.67
3.50        
2.382.17
 
Nom. size D1/45/163/87/161/25/83/47/81
Basic Thread Length LT1.0001.1251.2501.3751.5001.7502.0002.2502.500
Nominal Length L 1.50
LGLB
LGLB
LGLB
LGLB
LGLB
LGLB
LGLB
LGLB
LGLB
0.500.25
  
  
  
  
   
1.75
0.500.25
0.620.35
0.500.19
 
  
  
  
  
  
2.00
1.000.75
0.620.35
0.500.19
0.620.27
  
  
  
  
  
2.25
1.000.75
1.120.85
1.000.69
0.620.27
0.750.36
  
  
  
  
2.50
1.501.25
1.120.85
1.000.69
1.120.77
0.750.36
0.750.30
  
  
  
2.75
1.501.25
1.621.35
1.501.19
1.120.77
0.750.36
0.750.30
  
  
  
3.00
2.001.75
1.621.35
1.501.19
1.621.27
1.501.12
0.750.30
1.000.50
  
  
3.25
2.001.75
2.121.85
2.001.69
1.621.27
1.501.12
1.501.04
1.000.50
1.000.44
  
3.50
2.502.25
2.121.85
2.001.69
2.121.77
1.501.12
1.501.04
1.000.50
1.000.44
1.000.38
4.00
3.002.75
2.622.35
2.502.19
2.622.27
2.251.86
2.251.80
2.001.50
1.000.44
1.000.38
4.50
3.503.25
3.122.85
3.002.69
3.122.27
3.002.62
2.251.80
2.001.50
2.001.44
2.001.38
5.00
4.003.75
3.623.35
3.503.19
3.623.27
3.002.62
3.002.54
3.002.50
2.001.44
2.001.38
5.50 
4.123.85
4.003.69
4.123.77
3.753.36
3.753.30
3.002.50
3.002.44
3.002.38
6.00 
4.624.35
4.504.19
4.624.27
4.504.12
3.753.30
4.003.50
3.002.44
3.002.38
6.50  
5.004.69
5.124.77
4.504.12
4.504.04
4.003.50
4.003.44
4.003.38
7.00  
5.505.19
5.625.27
5.254.86
5.254.80
5.004.50
4.003.44
4.003.38
8.00   
6.626.27
6.005.62
6.005.54
6.005.50
5.004.44
5.004.38
9.00   
7.627.27
7.006.62
6.756.30
7.006.50
6.005.44
6.005.38
10.00    
8.007.62
7.757.30
8.007.50
7.006.44
7.006.38
11.00     
9.258.80
9.008.50
8.007.44
8.007.38
12.00     
10.259.80
10.009.50
9.008.44
9.008.38
 
Notes regarding the thread Length of Socket Head Cap Screws
The basic thread lengths (LT) listed directly below the nominal sizes represent the nominal length up to which all screws of that diameter shall be fully threaded.
To determine the threaded portion of the screws with a nominal length greater than LT, subtract the minimum design grip length (LG) from the nominal length (L).
For screws over 1 in. in diameter and of nominal lengths longer than LT, the maximum grip gagging length (LG) and the minimum body length (LB) of the screws shall be determined as follows:
 
 

LG = L LT

 

LB = L LTT

Where L= Nominal length
          LT= Minimum thread length tabulated below
          LTT= Maximum thread length tabulated below
 
Nominal size Min. Thread Length (LT)

Max Total Thread Length (LTT)

1-1/43.12 5.09
1-1/23.75 6.08