Home
About Us
Product
News
Knowledge
Contact Us

     Feedback

ASTM A320 Tap End Studs Bolts-NINGBO BOLT

　

ASTM A320 Studs Specification

 　

ASTM A320 Continuous Stud Bolts

 　 ASTM A320 Double End Stud Bolts 　 ASTM A320M Stud Bolts

ASTM A320 Tap End Studs Bolts

Dimensions for Tap End Studs (1.5D Engagement)
Nominal  Size    Diameter,D Tap End Full Thread Length,Bm Umax=2P Minimum Nut End Full Thread Length,Bmin 
Nominal Min Max UNC＆NC-5 Thread UNF Thread 8UN Thread L≦10 10＜L≦16 L＞16
 1/4 0.375 0.350 0.400 0.100 0.071 ... 0.750 1.000 1.500
 5/16 0.469 0.440 0.498 0.111 0.083 ... 0.875 1.125 1.625
 3/8 0.563 0.532 0.594 0.125 0.083 ... 1.000 1.250 1.750
 7/16 0.656 0.620 0.692 0.143 0.100 ... 1.125 1.375 1.875
 1/2 0.750 0.708 0.792 0.154 0.100 ... 0.250 1.500 2.000
9/16 0.844 0.802 0.896 0.167 0.111 ... 1.375 1.625 2.125
 5/8  0.938 0.892 0.983 0.182 0.111 ... 1.500 1.750 2.250
 3/4 1.125 1.075 1.175 0.200 0.125 ... 1.750 2.000 2.500
 7/8 1.313 1.258 1.368 0.222 0.143 ... 2.000 2.250 2.750
1 1.500 1.438 1.562 0.250 0.167 ... 2.250 2.500 3.000
 1-1/8 1.688 1.625 1.750 0.286 0.167 0.250 2.500 2.750 3.250
 1-1/4 1.875 1.813 1.938 0.286 0.167 0.250 2.750 3.000 3.500
 1-3/8 2.063 2.000 2.125 0.333 0.167 0.250 3.000 3.250 3.750
 1-1/2 2.250 2.188 2.313 0.333 0.167 0.250 3.250 3.500 4.000
 1-5/8 2.438 2.375 2.500 ... ... 0.250 3.500 3.750 4.250
 1-3/4 2.625 2.563 2.688 0.400 ... 0.250 3.750 4.000 4.500
 1-7/8 2.813 2.750 2.875 ... ... 0.250 4.000 4.250 4.750
2 3.000 2.925 3.075 0.444 ... 0.250 4.250 4.500 5.000
 2-1/4 3.375 3.300 3.450 0.444 ... 0.250 4.750 5.000 5.500
 2-1/2 3.750 3.675 3.825 0.500 ... 0.250 5.250 5.500 6.000
 2-3/4 4.125 4.050 4.200 0.500 ... 0.250 5.750 6.000 6.500
3 4.500 4.425 4.575 0.500 ... 0.250 ... 6.500 7.000
 3-1/4 4.875 4.775 4.975 0.500 ... 0.250 ... 7.000 7.500
 3-1/2 5.250 5.150 5.350 0.500 ... 0.250 ... 7.500 8.000
 3-3/4 5.625 5.525 5.725 0.500 ... 0.250 ... 8.000 8.500
4 6.000 5.900 6.100 0.500 ... 0.250 ... 8.500 9.000

　
  Newsletter       Categories Contact Us

QR Code
　

 

Bolts

Nuts

Threaded Studs

Washers

　

NINGBO STEEL BOLT CO., LTD

Address:Panjiashan, Xiepu Town,

Zhenhai, Ningbo, China

TEL: 86-574-86231358

FAX: 86-574-86231338

EMAIL: bolt@ningbo-bolt.com

　

　

About us            Product            News            Knowledge            Contact Us            Feedback            Sitemap

Copyright © Ningbo Steel Bolt Co., Ltd      All Rights Reserved