Machine Screws, Star Drive Pan Head, 6-Lobe Torx, Black Oxide Stainless Steel 18-8, #5-40 x 3/8"

Diameter - Thread Pitch: #5-40

Diameter x Length

#5-40 x 1/2"

#5-40 x 3/8"

Elongation: 30%
Head Type: Pan Head
Thread Direction: Right Hand
Thread Type: Coarse
Finish: Black Oxide
Fit: 2A
Grade: 18-8
Head Height Max: 0.089
Head Diameter: Max 0.245 - Min 0.231
Head Style: Pan
Length: 3/8"
Material: Stainless Steel
Overall Head Height: Max 0.089 - Min 0.079
Part Number: 730656590388
Product Type: Home > Machine Screws > Torx Pan Head > Black Oxide Stainless Steel
Size System: US
Size Type: Regular
System of Measurement: Inch
Thread Direction: Right Hand
Thread Pitch: 40 Per Inch
Thread Size: #5-40
Thread Standard: UNC
Thread Type: Coarse
Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Star Drive: T-10
Weight: 1 lb

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A machine screw is commonly identified by its small size
Star drive (6 lobe) drive style can prevent accidental stripping during an installation
6 lobe grips the head better allowing for more torque on a screw
Star drive styles have become widespread due to their efficiency
Black oxide screws are chemically altered to change qualities of the metal: Most noticeably the color
Treatment adds another level of corrosion and abrasion resistance to stainless steel
Black oxide finish is infused with wax or oil during the process to comply with military specifications as a Class 4 finish

Star drive pan head machine screws are available in black oxide 18-8 stainless steel.

Product number: 158024-0002

SIZE/SKU	SELECT PACKAGE QUANTITY			SUBTOTAL
#5-40 x 3/8" 158024-0002	1 $0.47 (0.47/ea)	100 $31.00 (0.31/ea)	1000 $300.00 (0.3/ea)	Quantity for Machine Screws, Star Drive Pan Head, 6-Lobe Torx, Black Oxide Stainless Steel 18-8, #5-40 x 3/8" $0.00
#5-40 x 1/2" 158024-0012	1 $0.50 (0.5/ea)	100 $36.00 (0.36/ea)	1000 $340.00 (0.34/ea)	Quantity for Machine Screws, Star Drive Pan Head, 6-Lobe Torx, Black Oxide Stainless Steel 18-8, #5-40 x 1/2" $0.00