Chat with us, powered by LiveChat
 

Socket flat head, Stainless steel 316, #4-40 x 5/16"

Socket flat head screw

Prod. # Length Each price Bag price Bulk price Price Buy
21780 5/16" $0.26 / ea $17.48 / 100 $147.00 / 1,000 $0.26 / ea $17.48 / 100 $147.00 / 1,000
Cost of all entered products: $0.00
Add All Entered

Product Images

Socket flat head dimensions
Product details
Bolt Depot product# 21780
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 #4
Thread count 40
Length 5/16"
Drive depth Minimum 0.055"
Thread direction Right hand
Diameter in inches 0.112"
Head angle 82°
Head height 0.083"
Head diameter 0.218" - 0.255"
Drive size 1/16"
Fully threaded Yes
Dimensional standard ASME B18.3

Matching Products

Click on a product # for additional info

Prod. # Description Buy
15998
Hex machine screw nuts, Stainless steel 316, #4-40
A hex nut in smaller sizes for machine screw diameters under 1/4".
$0.13 / ea
$8.44 / 100
$76.00 / 1,000
16003
Hex nylon insert lock nuts, Stainless steel 316, #4-40
A hex nut with a nylon ring to resist loosening.
$0.07 / ea
$6.59 / 100
$59.30 / 1,000
22976
$0.08 / ea
$3.50 / 100
$28.00 / 1,000

Related Products

Allen bits

Driver bits

Bits for Allen drive screws (a.k.a. socket products).