A4 / 316 Stainless Steel Flat Head Socket Cap Machine Screw, #4-40 x 1"
Flat head is countersunk (cone shaped under the head) with a flat top. Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key).
Specification
Material: Stainless Steel 316 / 18-10 / A4
Head type: Flat o
Drive type: Hex / Allen Socket
Diameter: #4-40
Length: 1" (25mm)
Stanard: ANSIB18.3F
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