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Tamper Proof Machine Screws, Star Pin-In Button Head, Stainless Steel 18-8, (T-40) 5/16"-18 x 1

Diameter - Thread Pitch: 5/16"-18

Tamper Proof Star Drive Size - T-40
Torx styled Star (with pin) drive add security to machine screws by using an uncommon drive
Less likely to strip than Phillips when installed correctly
Primarily for metal to metal applications
A machine screw is commonly identified by its small size
18-8 Stainless steel is the fastener industry standard adding rust and corrosion resistance to an assembly

5/16-18 Star with pin button head security machine screws are available in grade 18-8 stainless steel.

Product number: 910022

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Specifications

Color: Silver
Condition: New
Corrosion Resistant: Yes
Diameter: 5/16"
Drive Style: Star (with Pin)
Head Type: Button Head
Tamper Proof: Yes
Thread Direction: Right Hand
Thread Type: Coarse
Fit: 2A
Grade: 18-8
Head Height Max: 0.171
Head Diameter: Max 0.534 - Min 0.532
Head Style: Button
Length: 1
Material: Stainless Steel
Overall Head Height: Max 0.171 - Min 0.169
Part Number: 618930281941
Product Type: Tamper Proof Machine Screws
Size Type: Regular
System of Measurement: Inch
Thread Direction: Right Hand
Thread Pitch: 18 Per Inch
Thread Size: 5/16"-18
Thread Standard: UNC
Thread Type: Coarse
Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Star TP Drive: T-40
Weight: 1 lb

Select Size/SKU & Quantity

7 Available Sizes

SIZE/SKU	Review Volume Pricing*	Enter Any Qty
5/16"-18 x 1/2" 910002	1 $1.99 ($1.99/ea) 100 $177.00 ($1.77/ea) 1000 $1,760.00 ($1.76/ea)	Quantity for Tamper Proof Machine Screws, Star Pin-In Button Head, Stainless Steel 18-8, (T-40) 5/16"-18 x 1/2 $0.00
5/16"-18 x 3/4" 910012	1 $1.80 ($1.80/ea) 100 $164.00 ($1.64/ea) 1000 $1,610.00 ($1.61/ea)	Quantity for Tamper Proof Machine Screws, Star Pin-In Button Head, Stainless Steel 18-8, (T-40) 5/16"-18 x 3/4 $0.00
5/16"-18 x 1" 910022	1 $0.68 ($0.68/ea) 100 $62.00 ($0.62/ea) 1000 $1,690.00 ($1.69/ea)	Quantity for Tamper Proof Machine Screws, Star Pin-In Button Head, Stainless Steel 18-8, (T-40) 5/16"-18 x 1 $0.00
5/16"-18 x 1-1/4" 910032	1 $2.02 ($2.02/ea) 100 $183.00 ($1.83/ea) 1000 $1,810.00 ($1.81/ea)	Quantity for Tamper Proof Machine Screws, Star Pin-In Button Head, Stainless Steel 18-8, (T-40) 5/16"-18 x 1-1/4 $0.00
5/16"-18 x 1-1/2" 910042	1 $0.74 ($0.74/ea) 100 $61.00 ($0.61/ea) 1000 $560.00 ($0.56/ea)	Quantity for Tamper Proof Machine Screws, Star Pin-In Button Head, Stainless Steel 18-8, (T-40) 5/16"-18 x 1-1/2 $0.00
5/16"-18 x 2" 910052	1 $2.46 ($2.46/ea) 100 $223.00 ($2.23/ea) 1000 $2,190.00 ($2.19/ea)	Quantity for Tamper Proof Machine Screws, Star Pin-In Button Head, Stainless Steel 18-8, (T-40) 5/16"-18 x 2 $0.00
5/16"-18 x 3" 910062	1 $2.83 ($2.83/ea) 100 $260.00 ($2.60/ea) 1000 $2,360.00 ($2.36/ea)	Quantity for Tamper Proof Machine Screws, Star Pin-In Button Head, Stainless Steel 18-8, (T-40) 5/16"-18 x 3 $0.00