Galvanized car head screw

SKU: TOCO

Galvanized car head screw

Electrolytic galvanized car head screws of different diameters and lengths to be used in connections.
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$0.47$32.16
Tipo

Screw car

Grado

SAE J995 Gr 2

Material

Steel

Dimensiones

ASME B18.6.3

Acabado

Galvanized

Cabeza

Round and square neck

Cuerda

UNC Standard

Diámetro

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

Largo

3/4, 1, 1 1/4, 1 1/2, 1 3/4, 2, 2 1/2, 3, 3 1/2, 4, 4 1/2, 5, 5 1/2, 6

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A screw dating back to 1800. This screw was used in the assembly of carriages. They are used to join wood to wood, wood to metal or metal to metal. The screw is positioned in a square hole which will engage with the square located under the screw head. This helps to hold the bolt stationary while tightening the nut.

Car Screws SAE J995 Gr 2

Diameter Length diameter (E) Head diameter (A) Head height (H) Frame width (O) Depth of frame (P)
MAX MIN MAX MIN MAX MIN Max Min MAX MIN
¼ .2500 .2500 .237 .594 .563 .145 .125 .260 .245 .156 .125
5/16 .3125 .3125 .298 .719 .688 .176 .156 .324 .307 .187 .156
3/8 .3750 .3750 .360 .844 .782 .208 .188 .388 .368 .219 .188
7/16 .4375 .4375 .421 .969 .907 .239 .219 .452 .431 .250 .219
½ .5000 .5000 .483 1.094 1.032 .270 .250 .515 .492 .281 .250
5/8 .6250 .6250 .605 .1344 1.219 .344 .313 .642 .616 .344 .313
3/4 .7500 .7500 .729 1.594 1.469 .406 .375 .768 .741 .406 .375
  Length tolerance:
Nominal Diameter Nominal length
Up to 1" Above 1" - 2 ½" Above 2 ½" - 4" Above 4" - 6" Above 6
No. 8 - 3/8 +.02, -.03 +.02, -.04 +.04, -.06 +.06, -.10 +.10, -.18
7/16 y ½ +.02, -.03 +.04, -.05 +.06, -.08 +.08, -.10 +.12, -.18
9/16 - ¾ +.02, -.03 +.06, -.08 +.08, -.10 +.10, -.10 +.14, -.18
Low carbon steel Hot dip galvanizing
Descriptions Round-headed bolt with frame-shaped neck made of medium carbon steel Round-headed bolt with frame-shaped neck made of medium-carbon steel with galvanized finish
Applications The frame-shaped collar is designed to hold the bolt stationary while tightening the nut. Normally used for outdoor furniture due to its protective coating.
Material AISI 1006-1050 or equivalent steel AISI 1006-1050 or equivalent steel
Core hardness Rockwell B70-B100 Rockwell B70-B100
Burden of proof 33,000 psi
Performance Strength 36,000 psi min
Reduction of the area 36,000 psi min
Elongation 18% min
Area Reduction 35% min
Minimum thread length The minimum thread length should be equal to twice the screw diameter plus .025" for screws less than 6" long, and twice the screw diameter plus .50" for screws over 6" long.
 
Tipo

Screw car

Grado

SAE J995 Gr 2

Material

Steel

Dimensiones

ASME B18.6.3

Acabado

Galvanized

Cabeza

Round and square neck

Cuerda

UNC Standard

Diámetro

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

Largo

3/4, 1, 1 1/4, 1 1/2, 1 3/4, 2, 2 1/2, 3, 3 1/2, 4, 4 1/2, 5, 5 1/2, 6