ASME/ANSI B18.6.2 (T5-flat):1998 Slotted Flat Point Set Screw is designed under the ASME/ANSI standard system and uses a flat point with a slotted drive, making it suitable for North American standard assemblies, replacement service, and export equipment.
The flat point provides broad end contact during tightening and is useful where the point should not bite deeply into shafts, collars, or adjustment components. The slotted head can be operated with basic tools, simplifying field maintenance and setup work.
This product is suitable for instruments, light-duty transmission parts, electromechanical assemblies, stop components, and adjustable mechanisms. Different diameters, lengths, materials, and finishes can be supplied to meet drawing requirements and standardized purchasing needs.

Dimensions unit: inch
|
Thread size |
0# |
1# |
2# |
3# |
4# |
5# |
6# |
8# |
10# |
|
|
d |
0.0600 |
0.0730 |
0.0860 |
0.0990 |
0.1120 |
0.1250 |
0.1380 |
0.1640 |
0.1900 |
|
|
β ② |
0.060 |
0.073 |
0.086 |
0.099 |
0.112 |
0.125 |
0.138 |
0.164 |
0.190 |
|
|
n |
Max. |
0.014 |
0.016 |
0.018 |
0.020 |
0.024 |
0.026 |
0.028 |
0.032 |
0.035 |
|
Min. |
0.010 |
0.012 |
0.014 |
0.016 |
0.018 |
0.020 |
0.022 |
0.026 |
0.029 |
|
|
t |
Max. |
0.020 |
0.020 |
0.025 |
0.028 |
0.031 |
0.036 |
0.040 |
0.046 |
0.053 |
|
Min. |
0.016 |
0.016 |
0.019 |
0.022 |
0.025 |
0.026 |
0.030 |
0.036 |
0.043 |
|
|
dp |
Max. |
0.033 |
0.040 |
0.047 |
0.054 |
0.061 |
0.067 |
0.074 |
0.087 |
0.102 |
|
Min. |
0.027 |
0.033 |
0.039 |
0.045 |
0.051 |
0.057 |
0.064 |
0.076 |
0.088 |
|
|
Y ① |
5/64 |
3/32 |
7/64 |
1/8 |
5/32 |
3/16 |
3/16 |
1/4 |
1/4 |
|
|
Thread size d |
12# |
1/4 |
5/16 |
3/8 |
7/16 |
1/2 |
9/16 |
5/8 |
3/4 |
|
|
0.2160 |
0.2500 |
0.3125 |
0.3750 |
0.4375 |
0.5000 |
0.5625 |
0.6250 |
0.7500 |
||
|
β ② |
0.216 |
0.250 |
0.312 |
0.375 |
0.438 |
0.500 |
0.562 |
0.625 |
0.750 |
|
|
n |
Max. |
0.042 |
0.049 |
0.055 |
0.068 |
0.076 |
0.086 |
0.096 |
0.107 |
0.134 |
|
Min. |
0.035 |
0.041 |
0.047 |
0.060 |
0.068 |
0.076 |
0.086 |
0.097 |
0.124 |
|
|
t |
Max. |
0.061 |
0.068 |
0.083 |
0.099 |
0.114 |
0.130 |
0.146 |
0.161 |
0.193 |
|
Min. |
0.051 |
0.058 |
0.073 |
0.089 |
0.104 |
0.120 |
0.136 |
0.151 |
0.183 |
|
|
dp |
Max. |
0.115 |
0.132 |
0.172 |
0.212 |
0.252 |
0.291 |
0.332 |
0.371 |
0.450 |
|
Min. |
0.101 |
0.118 |
0.156 |
0.194 |
0.232 |
0.270 |
0.309 |
0.347 |
0.425 |
|
|
Y ① |
5/16 |
5/16 |
3/8 |
7/16 |
1/2 |
9/16 |
5/8 |
3/4 |
7/8 |
|
ABOUT US
Better Fastener is a professional fastener enterprise specializing in the manufacturing of steel washers, stainless steel washers, spring washers and sealingwashers. Founded in 2001 as a washer factory, the company expanded into a comprehensive enterprise integrating washers, nuts, bolts, spring nuts and other fastener products in 2010.
The company positions itself as a provider of comprehensive one-stop services for customers, relying on technological R&D, industrial investment and trade distribution.
With an experienced professional team and a sound sales network, Better Fastener has achieved excellent sales performance in both domestic and foreign markets,and has grown into one of the competitive manufacturers and suppliers in China's industrial fastener industry.
Better Fastener is committed to becoming a trusted fastener supplier for customers with reliable product quality, reasonable prices and on-time delivery
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