Machine Screws

View all Brands

Machine Screws

Quick view

#4-40 X 3/4" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

$81.54

Select Quantity Compare
Quick view

#4-40 X 1/2" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

$82.37

Select Quantity Compare
Quick view

#4-40 X 1-1/4" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

$91.03

Select Quantity Compare
Quick view

#4-40 X 1-1/2" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

$93.01

Select Quantity Compare
Quick view

#4-40 X 1" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

$81.49

Select Quantity Compare
Quick view

#4-40 X 7/16" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

$254.55

Select Quantity Compare
Quick view

#4-40 X 5/8" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

$291.08

Select Quantity Compare
Quick view

#4-40 X 5/16" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

$423.00

Select Quantity Compare
Quick view

#4-40 X 3/8" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

$269.21

Select Quantity Compare
Quick view

#4-40 X 1/4" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

$207.24

Select Quantity Compare
Quick view

#4-40 X 1/2" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

$296.39

Select Quantity Compare
Quick view

#4-40 X 7/8" Machine Screws, Flat Slot Drive, 82 Degree Countersink, Full Thread, AISI 316 Stainless Steel

$214.96

Select Quantity Compare

Quick view

#4-40 X 3/4" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.This...

$81.54

Select Quantity Compare
Quick view

#4-40 X 1/2" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.This...

$82.37

Select Quantity Compare
Quick view

#4-40 X 1-1/4" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.This...

$91.03

Select Quantity Compare
Quick view

#4-40 X 1-1/2" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.This...

$93.01

Select Quantity Compare
Quick view

#4-40 X 1" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.This...

$81.49

Select Quantity Compare
Quick view

#4-40 X 7/16" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.Diameter...

$254.55

Select Quantity Compare
Quick view

#4-40 X 5/8" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.Diameter...

$291.08

Select Quantity Compare
Quick view

#4-40 X 5/16" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.Diameter...

$423.00

Select Quantity Compare
Quick view

#4-40 X 3/8" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.Diameter...

$269.21

Select Quantity Compare
Quick view

#4-40 X 1/4" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.Diameter...

$207.24

Select Quantity Compare
Quick view

#4-40 X 1/2" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.Diameter...

$296.39

Select Quantity Compare
Quick view

#4-40 X 7/8" Machine Screws, Flat Slot Drive, 82 Degree Countersink, Full Thread, AISI 316 Stainless Steel

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.Type 316 stainless steel is considered "marine grade".Stainless steel significantly improves resistance to tarnishing or corrosion.Diameter (Nominal):...

$214.96

Select Quantity Compare

Compare Selected

Shop by Category

Shop by Brand

Shop by Brand

#4-40 X 3/4" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 1/2" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 1-1/4" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 1-1/2" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 1" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 7/16" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 5/8" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 5/16" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 3/8" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 1/4" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 1/2" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 7/8" Machine Screws, Flat Slot Drive, 82 Degree Countersink, Full Thread, AISI 316 Stainless Steel

#4-40 X 3/4" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 1/2" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 1-1/4" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 1-1/2" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 1" Security Machine Screws, Flat Countersunk Head Tamper Resistant Drilled Spanner Drive, AISI 304 Stainless Steel (18-8), Includes Driver Bit

#4-40 X 7/16" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 5/8" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 5/16" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 3/8" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 1/4" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 1/2" Machine Screws, Flat 100 Degree Slot Drive, 100 Degree Countersink, Full Thread, AISI 304 Stainless Steel (18-8)

#4-40 X 7/8" Machine Screws, Flat Slot Drive, 82 Degree Countersink, Full Thread, AISI 316 Stainless Steel