Hexagon Head Bolts Screws Metric Series Dimensions

Note:

  1. The bolts and screws will generally conforms to IS : 1364, ISO 4071 and DIN 931/933.
  2. Threads will confirm to class 6g of IS : 4218, Coarse Series.
  3. Material : Mita High Grade Carbon/Alloy Steel.
  4. Heat Treatment : Propety Class : 10.9 or 8.8 of IS : 1367.
  5. Thread Length LT 

 a. Lt1 for L < 125
 b. Lt2 for L < 125 to 200
 c. Lt3 for L > 200

  6. Screw Lengths equal to or shorter than those listed in row 'LFT' will be threaded to head.
  7. Sizes in brackets are non-preferred standards.
  8. All dimensions are in millimeters.