Hex Bolt Din 931

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Hex Bolt

Introduction

DIN - 931
IS - 1363 - 1992 / ISO - 4014

A hex bolt, also known as a hexagonal head bolt, is a type of fastener with a hexagonal-shaped head and a threaded shaft. It is designed to be tightened or loosened using a hexagonal wrench or socket. Hex bolts are commonly used in construction, automotive, and machinery applications. They are available in a variety of materials, including steel, stainless steel, and brass, and in a range of sizes and grades to meet different strength and corrosion resistance requirements. Hex bolts can be used in conjunction with a variety of other fasteners, such as nuts, washers, and lock washers, to secure joints and prevent them from coming loose.

Hex Bolt

Hex bolts (six sided heads) are the industry standard for fasteners with forged heads.
Steel Grades: 4.6, 8.8, 10.9, 12.9
Finish: Self, Black, Bright Zinc, Hot Dip Galvanized (ROHS)
Also Available in Din - 937, Din - 6914, ISO - 1364, ISO - 4014.

Dimensions

Half Thread Hex Bolt As per Din 931
DIAMETER (d) 3 x 0.50 P 4 x 0.70 P 5 x 0.80 P 6 x 1.00 P 8 x 1.25 P 10 x 1.50 P 12 x 1.75 P
b BELOW 125 APPROX 12.00 14.00 16.00 18.00 22.00 26.00 30.00
125 - 200 18.00 20.00 22.00 24.00 28.00 32.00 36.00
ABOVE 200 31.00 33.00 35.00 37.00 41.00 45.00 49.00
ACROSS FLAT (s) Min 5.32 6.78 7.78 9.78 12.73 16.73 18.67
Max 5.50 7.00 8.00 10.00 13.00 17.00 19.00
ACROSS CORNER (e) Min 6.01 7.66 8.79 11.05 14.38 18.90 21.10
HEAD THICKNESS (k) Nom 2.00 2.80 3.50 4.00 5.30 6.40 7.50
Min 1.88 2.68 3.35 3.85 5.15 6.22 7.32
Max 2.12 2.92 3.65 4.15 5.45 6.56 7.68
Length Min Max
30 29.58 30.42 HHTB03030 HHTB04030 HHTB05030 - - - -
35 34.50 35.50 HHTB03035 HHTB04035 HHTB05035 HHTB06035 - - -
40 39.50 40.50 HHTB03040 HHTB04040 HHTB05040 HHTB06040 HHTB08040 - -
45 44.50 45.50 HHTB03045 HHTB04045 HHTB05045 HHTB06045 HHTB08045 HHTB10045 -
50 49.50 50.50 HHTB03050 HHTB04050 HHTB05050 HHTB06050 HHTB08050 HHTB10050 -
55 54.40 55.60 HHTB03055 HHTB04055 HHTB05055 HHTB06055 HHTB08055 HHTB10055 -
60 59.40 60.60 HHTB03060 HHTB04060 HHTB05060 HHTB06060 HHTB08060 HHTB10060 -
65 64.40 65.60 HHTB03065 HHTB04065 HHTB05065 HHTB06065 HHTB08065 HHTB10065 HHTB12065
70 69.40 70.60 HHTB03070 HHTB04070 HHTB05070 HHTB06070 HHTB08070 HHTB10070 HHTB12070
80 79.40 80.60 HHTB03080 HHTB04080 HHTB05080 HHTB06080 HHTB08080 HHTB10080 HHTB12080
90 89.30 90.70 HHTB03090 HHTB04090 HHTB05090 HHTB06090 HHTB08090 HHTB10090 HHTB12090
100 99.30 100.70 HHTB03100 HHTB04100 HHTB05100 HHTB06100 HHTB08100 HHTB10100 HHTB12100
110 109.30 110.70 HHTB03110 HHTB04110 HHTB05110 HHTB06110 HHTB08110 HHTB10110 HHTB12110
120 119.30 120.70 HHTB03120 HHTB04120 HHTB05120 HHTB06120 HHTB08120 HHTB10120 HHTB12120
130 129.20 130.80 HHTB03130 HHTB04130 HHTB05130 HHTB06130 HHTB08130 HHTB10130 HHTB12130
140 139.20 140.80 HHTB03140 HHTB04140 HHTB05140 HHTB06140 HHTB08140 HHTB10140 HHTB12140
150 149.20 150.80 HHTB03150 HHTB04150 HHTB05150 HHTB06150 HHTB08150 HHTB10150 HHTB12150
160 159.20 160.80 HHTB03160 HHTB04160 HHTB05160 HHTB06160 HHTB08160 HHTB10160 HHTB12160
180 179.20 180.80 HHTB03180 HHTB04180 HHTB05180 HHTB06180 HHTB08180 HHTB10180 HHTB12180
200 199.00 201.00 HHTB03200 HHTB04200 HHTB05200 HHTB06200 HHTB08200 HHTB10200 HHTB12200
Half Thread Hex Bolt As per Din 931
DIAMETER (d) 14 x 2.00 P 16 x 2.00 P 18 x 2.50 P 20 x 2.50 P 24 x 3.00 P 30 x 3.50 P
b BELOW 125 APPROX 34.00 38.00 42.00 46.00 54.00 66.00
125 - 200 40.00 44.00 48.00 52.00 60.00 72.00
ABOVE 200 53.00 57.00 61.00 65.00 73.00 85.00
ACROSS FLAT (s) Min 21.67 23.67 26.67 29.67 35.38 45.00
Max 22.00 24.00 27.00 30.00 36.00 46.00
ACROSS CORNER (e) Min 24.49 26.75 30.14 33.53 39.98 50.85
HEAD THICKNESS (k) Nom 8.80 10.00 11.50 12.50 15.00 18.70
Min 8.62 9.82 11.28 12.28 14.78 18.28
Max 8.98 10.18 11.72 12.72 15.22 19.12
Length Min Max
30 29.58 30.42 - - - - - -
35 34.50 35.50 - - - - - -
40 39.50 40.50 - - - - - -
45 44.50 45.50 - - - - - -
50 49.50 50.50 - - - - - -
55 54.40 55.60 - - - - - -
60 59.40 60.60 - - - - - -
65 64.40 65.60 HHTB14065 HHTB16065 - - - -
70 69.40 70.60 HHTB14070 HHTB16070 HHTB18070 - - -
80 79.40 80.60 HHTB14080 HHTB16080 HHTB18080 HHTB20080 HHTB24080 HHTB30080
90 89.40 90.70 HHTB14090 HHTB16090 HHTB18090 HHTB20090 HHTB24090 HHTB30090
100 99.30 100.70 HHTB14100 HHTB16100 HHTB18100 HHTB20100 HHTB24100 HHTB30100
110 109.30 110.70 HHTB14110 HHTB16110 HHTB18110 HHTB20110 HHTB24110 HHTB30110
120 119.30 120.70 HHTB14120 HHTB16120 HHTB18120 HHTB20120 HHTB24120 HHTB30120
130 129.20 130.80 HHTB14130 HHTB16130 HHTB18130 HHTB20130 HHTB24130 HHTB30130
140 139.20 140.80 HHTB14140 HHTB16140 HHTB18140 HHTB20140 HHTB24140 HHTB30140
150 149.20 150.80 HHTB14150 HHTB16150 HHTB18150 HHTB20150 HHTB24150 HHTB30150
160 159.20 160.80 HHTB14160 HHTB16160 HHTB18160 HHTB20160 HHTB24160 HHTB30160
180 179.20 180.80 HHTB14180 HHTB16180 HHTB18180 HHTB20180 HHTB24180 HHTB30180
200 199.00 201.00 HHTB14200 HHTB16200 HHTB18200 HHTB20200 HHTB24200 HHTB30200
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