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Socket flat head, Stainless steel 316, Coarse (standard) thread, 5/16" x 1/2"

Socket flat head screw

Prod. #	Length	Each price	Bag price	Bulk price	Price	Buy
21821 4	1/2"	$1.25 / ea	$38.00 / 50	$331.00 / 500	$1.25 / ea $38.00 / 50 $331.00 / 500

4 This item is a semi-standard size and is therefore more expensive.

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Product details
Bolt Depot product#	21821
Units	US
Category	Socket screws Screws with an Allen wrench drive.
Head style	Flat Flat heads are countersunk (cone shaped under the head) with a flat top.
Drive type	Allen Allen (hex socket) drive is a six-sided recess for use with an Allen wrench (hex key).
Material	Stainless steel
Grade	316 A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments.
Thread density	Coarse
Diameter	5/16"
Thread count	18
Length	1/2"
Drive depth	Minimum 0.135"
Thread direction	Right hand
Head angle	82°
Head height	0.198"
Head diameter	0.600" - 0.656"
Drive size	3/16"
Fully threaded	Yes
Dimensional standard	ASME B18.3

Additional information
US Socket flat head sizes	What driver size do I need?

Matching Products

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Prod. #	Description	Buy
16020	Flat washers, Stainless steel 316, 5/16" General use flat washer	Add $0.17 / ea $10.15 / 100 $81.20 / 1,000

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