Button Head Cap Screw Grade 12.9 NC

SKU: TOAB

Button Head Cap Screw Grade 12.9 NC

ASTM A574 Grade 12.9 button head socket head cap screws of different diameters and lengths for use in connections.
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$0.68$37.81
Tipo

Allen screw

Grado

ASTM A574 – 12.9

Material

Carbon alloy steel

Dimensiones

ASME B18.6.3

Acabado

Pavonado

Cabeza

Button

Cuerda

UNC Standard

Diámetro

5/32, 3/16, 1/4, 5/16, 3/8, 1/2, 5/8

Largo

1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3

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Used when the support surface is wider or softer. Designed for light fastening applications. Not recommended for high strength fasteners.

Allen screw Button   Allen bolt button specifications
Diameter Head diameter (A) Head height (H) Head side height (S) Inner hexagon (J) Transition diameter (F) Standard length (L) Burden of proof Shear strength Torques (in./lbs.)
Max Min Max Min Ref Nom Max Min Nom Lbs. Lbs., min UNC UNF
1/4 0.437 0.419 0.132 0.122 0.031 5/32 0.290 1.00 1.00 4,430 4,700 95 110
5/16 0.547 0.527 0.166 0.152 0.031 3/16 0.353 1.00 1.00 7,300 7,300 190 210
3/8 0.656 0.636 0.199 0.185 0.031 7/32 0.415 1.25 1.25 10,800 10,600 300 300
1/2 0.875 0.851 0.265 0.245 0.046 5/16 0.560 2.00 2.00 19,800 18,800 900 960
5/8 1.000 0.970 0.331 0.311 0.062 3/8 0.685 2.00 2.00 31,500 29,400 1,700 1,900
TOLERANCE IN LENGTH ALLEN BOLT BUTTON:
Length tolerance Screw diameter Nominal length
Up to 1" Above 1" to 21/2"
0 a 3/8 -0.03 -0.04
1/2 to 5/8 -0.03 -0.06
 
Allen Button Steel
Description Similar design to the allen socket but with a dome-shaped head.
Application Used when the support surface is wider or softer. Designed for light fastening applications. Not recommended for high strength fasteners.
Material Steel alloyed with min 0.28% to 0.50% carbon, max 0.040% phosphorus, max 0.035% sulfur and one or more of the following elements to achieve the desired strength: chromium, nickel, molybdenum or vanadium.
Heat Treatment Hardening in oil above the transformation temperature. Tempered to a temperature of not less than 650° F
Hardness Rockwell C38-44
Tensile strength 180,000 psi min
Elastic limit 160,000 psi min.
Elongation 8% min (Applies to screws 4 times its diameter in length).
Area reduction 35% min (machined)
Tipo

Allen screw

Grado

ASTM A574 – 12.9

Material

Carbon alloy steel

Dimensiones

ASME B18.6.3

Acabado

Pavonado

Cabeza

Button

Cuerda

UNC Standard

Diámetro

5/32, 3/16, 1/4, 5/16, 3/8, 1/2, 5/8

Largo

1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3