Metric Thread 316 Stainless Steel Bow Nuts Based on BS3974 - Range from 360kg to 5340kg

Top Quality Made in the UK, Stainless Steel (grade 316) Bownuts Based on BS3974 Part 1 1974, with Metric Course Thread M10 to M36.

Model: 

MTSS-3973

Manufacturing Standard: Based on BS3974


Metric thread as standard, however, other thread forms, sizes and pitches are available unpon special request.

Note: Bownuts are not to be used for inclined lifting.

Dimensions & Specifications

Thread Size Safe Working Load B (min) (mm) C (mm) F (min) (mm) K (mm) M (mm) D (mm) Weight (kg)
M10 360kg 12 38 20 18 73 30 0.3
M12 530kg 12 38 20 18 73 30 0.3
M16 1010kg 12 38 20 18 73 30 0.3
M20 1580kg 14 45 24 25 102 40 0.6
M24 2280kg 17 50 28 28 124 50 0.9
M30 3650kg 21 70 34 38 146 75 2.4
M36 5340kg 26 70 40 38 146 75 2.4
Stainless Steel Bow Nut Dimensional Drawing
Part N° Thread Dia. Safe Working Load Note Weight (kg) Guide Price Quantity
3973-T8369 M10 360kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.3 £  64.80
3973-T8370 M12 530kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.3 £  64.80
3973-T8371 M16 1010kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.3 £  64.80
3973-T8372 M20 1580kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.6 £  69.39
3973-T8373 M24 2080kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.9 £  135.18
3973-T8374 M30 3650kg @ 0° (true vertical lift) Not to be used for an inclined lift 2.4 £  239.43
3973-T8375 M36 5340kg @ 0° (true vertical lift) Not to be used for an inclined lift 2.4 £  241.08
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Metric thread as standard, however, other thread forms, sizes and pitches are available unpon special request.

Note: Bownuts are not to be used for inclined lifting.

Dimensions & Specifications

Thread Size Safe Working Load B (min) (mm) C (mm) F (min) (mm) K (mm) M (mm) D (mm) Weight (kg)
M10 360kg 12 38 20 18 73 30 0.3
M12 530kg 12 38 20 18 73 30 0.3
M16 1010kg 12 38 20 18 73 30 0.3
M20 1580kg 14 45 24 25 102 40 0.6
M24 2280kg 17 50 28 28 124 50 0.9
M30 3650kg 21 70 34 38 146 75 2.4
M36 5340kg 26 70 40 38 146 75 2.4
Stainless Steel Bow Nut Dimensional Drawing
Part N° Thread Dia. Safe Working Load Note Weight (kg) Guide Price Quantity
3973-T8369 M10 360kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.3 £  64.80
3973-T8370 M12 530kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.3 £  64.80
3973-T8371 M16 1010kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.3 £  64.80
3973-T8372 M20 1580kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.6 £  69.39
3973-T8373 M24 2080kg @ 0° (true vertical lift) Not to be used for an inclined lift 0.9 £  135.18
3973-T8374 M30 3650kg @ 0° (true vertical lift) Not to be used for an inclined lift 2.4 £  239.43
3973-T8375 M36 5340kg @ 0° (true vertical lift) Not to be used for an inclined lift 2.4 £  241.08
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