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16) M24 METRIC SOCKET HEAD CAP SCREW
16) M24 METRIC SOCKET HEAD CAP SCREW
16) M24 METRIC SOCKET HEAD CAP SCREW

16) M24 METRIC SOCKET HEAD CAP SCREW

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METRIC M24, THREAD PITCH 3.00 SOCKET HEAD CAP SCREW 12.9 COARSE ISO 4762 / DIN 912 SELF COLOUR

If you cannot find the required size, please get in touch as not all products are available online.

Socket Head Cap Screws are also known as SHCS, Allen screw or Allen bolt, or simply a cap screw. Conforming to ISO 4762 or DIN 912, the contact surfaces of this screw or bolt are protected from external damage. Generally manufactured with a partial thread beyond a certain length and nominal diameter combination, but occasionally some stock may include a fully threaded shank at the same combination.

Technical Info

  1. Conversion factors: 1MPa=1N/mm2 ; 1kgf=9.8N ; 1MPa=145 p.s.i. approximately

Thread height is approximately 0.6135p

  1. The self colour screw surface finish for self colour is “Black Oxide” after heat treatment.
  2. Metric thread: Grade 12.9 is 4g 6g thread class. Please refer to ISO 965 standard.
  3. The below specification is for coarse threads only.
  4. Suggested seating torque values, only apply to metric Grade 12.9 hex, socket head cap screws. The tightening torque will change, if fixing takes place with materials or surface finishes with variable fixing coefficient. The self colour table can only be applied to coefficient of friction in which the screw maintains its status, without any additional treatment after heat treatment and that the thread has anti-rustic oil protection.
  5. The data below should only be used as a reference guide. The proper torque can only be determined by analysing the design parameters which include temperature plating, lubrication, face material, washer type and condition of the mating threads. Short term tensile creep and stress relaxation should be considered for applications where the temperature exceeds 400⁰ F (204⁰C). Lower ductility, impact strength and fatigue life must be considered for screws subject to temperatures below -20⁰F (-29⁰C)

 

To convert to lbf.in. multiply by 8.838

Minimum Ulimate Tensile Loads-Metric Hex. Socket Head Cap Screws (ISO 898-1)

 Suggested Seating Torque (see warning notes)


Property Class 12.9

 Torque Value Nm


Nominal Size

Stress Area(mm2 )

Tensile Loads (N)

Self Colour

Zinc Plated

M1.6

1.27

1550

0.30

0.21

M2

2.07

2530

0.60

0.43

M2.5

2.48

4141

1.25

0.90

M3

5.03

6140

 2.20

1.50

M4

8.78

10700

4.83

3.40

M5

14.20

17300

10.00

6.90

M6

20.10

24500

16.80

11.80

M8

36.60

44600

41.00

29.00

M10

58.00

70800

81.00

58.00

M12

84.30

103000

142.00

100.00

M14

115.00

140000

226.00

157.00

M16

157.00

192000

350.00

242.00

M18

192.00

234000

485.00

340.00

M20

245.00

299000

685.00

480.00

M22

303.00

370000

930.00

650.00

M24

353.00

431000

1180.00

820.00

M27

459.00

560000

1730.00

1235.00

M30

561.00

684000

2380.00

1685.00