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Machine Screws

All styles and types of security screws, tamper resistant and tamper proof screws.

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Ultra-Lok II

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Ultra-Lok II is a removable/re-usable high security fastener... More Info »
Price: $0.00

Ultra 5 Lobe®

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Ultra (5 Lobe)® Security screws are consistently rated as one of the most secure tamper proof screws. Easy to install and offers excellent theft resistance. Available in 18.8 Stainless Steel & Black Oxide material in Button / Flat head styles. *Only sold to end / approved users. More Info »
Price: $0.00

Avsafe®

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Avsafe® Security screws are one of the more aesthetically pleasing screws. While they are a deterrent if you’re looking for good to high security this is not the one. Available in 18.8 Stainless & Zinc Plated Steel in Pan Head only. More Info »
Price: $0.00

Ultra (6 Lobe)®

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Ultra (6 Lobe)® Security screws are one of the more commonly used Tamper Proof Screws in use today.  Easy to install and offers a great deterent in any application.  Available in 18.8 Stainless & Black Oxide material in Button / Flat head styles. *Zinc Plated steel is available in custom runs. More Info »
Price: $0.00

Hex-Pin®

Hexpin security bolts

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Hex-Pin® Security screws are one of the more commonly used Tamper Proof Screws in use today.  Easy to install and offers a great deterrent in any application.  Available in 18.8 Stainless & Black Oxide material in Button / Flat head styles. *Zinc Plated steel is available in custom orders. More Info »
Price: $0.00

Spanner® / Snake Eyes®

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Spanner® / Snake Eyes® Security screws are one of the more commonly used Tamper Proof Screws in use today. Available in 18.8 Stainless material in Pan / Flat head styles. More Info »
Price: $0.00

Tri-Wing® Machine Screws

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The LPF security screw Tri-Slot® offers exceptional tool engagement, esthetically pleasing and not common... More Info »
Price: $0.00

Phill-Pin®

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Phill-Pin® Security Screws are an excellent alternative to the more common style Tamper Proof screws. Custom lengths, diameters, short lead times & runs are no problem. Only available in 18.8 Stainless Steel material in Pan / Flat head styles. More Info »
Price: $0.00

T-Groove Machine Screws

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T-Groove Security Screw has a head that is cone shaped with three drive slots to allow full mechanical engagement. More Info »
Price: $0.00

One-Way®

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One-Way Security screws are versatile - used in all types of situations. Unique head design that offers excellent theft resistance. Available in 18.8 Stainless & Zinc Plated material in Pan / Flat Head styles. More Info »
Price: $0.00

Ultra-Lok® Tamper Proof Machine Screws

Ultra-Lok® Security Screw

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High Security Fastener, Inch & Metric. More Info »
Price: $0.00

Quad-Lok Screws

Quad lok security screwQuad-Lok® High Security screws are exclusively sold by Loss Prevention Fasteners. Quad-Lok® Tamper Proof Screws offer excellent "tool engagement to bit" - greatly reducing 'cam-out'. Not just a square drive security screw with a pin, Quad-Lok® is a solution! The driver bits are only sold to authorized personnel. Available in various materials, inch & metric More Info »
Price: $0.00

SHCS

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Security Socket Head Capscrews are a removable/re-usable security fastener... More Info »
Price: $0.00

LOSS PREVENTION FASTENERS carries a complete line of Tamper Resistant / Security Sheet Metal Screws, TORX PLUS®, TORX® Tamper Resistant, Hex or Socket Pin, Phillips® Pin, Spanner / Snake Eyes®, Ultra-Lok® and Avsafe®.

LPF® is constantly researching and testing the newest and best Tamperproof / Security fasteners from around the globe. Check back on a regular basis for updated fasteners!