Hexagon Head Bolts

Hexagon Head Bolts – Screws DIN 931/933

Metric series – Dimensions

Notes:
  1. The bolts and screws will generally confirm to ISO 4014, ISO 4017 and DIN 93 1/9 33.
  2. Threads will confirm to Class 6g of ISO 96 3/2, Coarse series.
  3. Material High grade carbon/alloy steel.
  4. Heat Treatment: Property Class 8.8 or 10.9*
  5. Thread Length LT:
    LT1 for L < 125
    LT2 for L < 125 TO 200
    LT3 for L > 200
    Screw length equal to or shorter than  those listed in column ‘LFT’ will be fully threaded.
  6. Sizes in brackets are non preferred standards.
  7. All dimensions are in millimeters.
Nominal
Thread Size		 Pitch W
Max.		 C
Min.		 B
Max.		 H
Norm.		 R
Min.		 Length of Thread Length
Range
LT1 LT2 LT3 Lft
M6 1.0 10.0 11.05 6.0 4.0 .25 18 – – 25 15-100
M8 1.25 13.0 14.38 8.0 5.3 0.4 22 28 – 30 15-100
M10 1.5 17.0 16.0 18.90 17.80 10.0 6.4 0.4 26 32 45 35 15-100
M12 1.75 19.0 18.0 21.10 20.03 12.0 30 0.6 30 36 49 40 20-100
(M14) 2.0 22.0 21.0 24.49 23.35 14.0 34 0.6 34 40 53 45 25-150
M16 2.0 24.0 26.75 16.0 10.0 0.6 38 44 57 50 25-150
(M18) 2.5 27.0 30.14 18.0 11.5 0.6 42 48 61 60 35-200
M20 2.5 30.0 33.53 20.0 12.5 0.8 46 52 65 60 35-200
(M22) 2.5 32.0 34.0 35.72 37.72 22.0 50 0.8 50 56 69 65 40-200
M24 3.0 36.0 39.98 24.0 15.0 0.8 54 60 73 75 40-200
(M27) 3.0 41.0 45.20 27.0 17.0 1.0 60 66 79 85 70-200
M30 3.5 46.0 50.85 30.0 18.7 10. 66 72 85 85 75-300
(M33) 3.5 50.0 55.37 33.0 21.0 10. 72 78 91 95 75-300
M36 4.0 55.0 60.79 36.0 22.5 10. 78 84 97 100 80-300
(M39) 4.0 60.0 66.44 39.0 25.0 10. 84 90 103 110 90-300
M42 4.5 65.0 72.02 42.0 25.0 1.2 90 96 109 120 90-300

Dimensions in accordance with revised standard – in the process of being implemented. Also can be supplied in 4.6, 4.8, 5.6, 5.8 and 6.8 as special.