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Penta-Plus

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Tamper-Proof Screws & Bolts (Second Only to the Key-Rex)

Penta-Plus is proprietary to Bryce Fastener and configured to keep Torx-Pin, Hex-Pin and other tamper-resistant bits out. Tamper-RESISTANT screws have bits sold on the open market. The higher security Penta-Plus is considered tamper-PROOF because all bits are controlled by Bryce, maintaining its integrity as a high-security fastener.

Without failure, the Penta-Plus has been proven tamper-proof and vandal-proof in the most extreme situations, including securing laptop computers in open kiosks, universities and city government applications. Next to the Key-Rex, these are the most tamper-proof screws and bolts on the market. Adding the Raptor Claw option to the bottom of the Penta-Plus significantly increases the torque and gripping power of this screw over any other on the market except for the Key-Rex.

Also Available: Penta-Nut

Penta-NutThe same security and features of the Penta-Plus, available in a nut.
View the Penta-Nut

Find the right fastener for you.

Contact Bryce Fastener

Or any question you may have.

No pressure, no commission, just lots of good advice.

800-558-1082

Request a quote View Penta-Plus™ Flier CAD on Demand

Options & Upgrades

  • Thread Type

    Thread Type

    Self-tapping, concrete, machine screws, and more.

    With our multiple threading machines we can run the most common machine screw threads all the way through to the most difficult acme and coil bolt threads.

  • Fastener Size

    Fastener Size

    From micro-screws to large bolts, our fasteners come in all sizes.

    We have numerous cold heading machines which allow us to manufacture screws from large 5/8-11 down to micro mini 000-120 and all metric also.

  • Raptor

    Raptor Security Level 9

    20% Tougher to remove than lock washers.

    Add the Raptor claw feature to the bottom head of the Key-Rex or Penta-Plus for unbelievable clamp loads and extreme security. more info >

  • O-rings

    O-Rings

    Don't compromise security for air-tight seals.

    We can manufacture seal screws with our different Keyed-Lok designs so that even your liquid and pressurized applications are secure.

Specifications

Penta-Plus™ Machine Screws

PENTA-PLUS High Security Screws Button (Flat) Machine Screws 18-8 Stainless Steel

Penta-Plus™ machine screws come in stainless steel and are used in tamperproof applications requiring threads. The handle more torque than other vandal-proof screws and can be tightened more securely. They can be power driven. The penta-plus socket is extremely secure. The combination of these features make them one of the most economical tamperproof fasteners for high production security applications.

These combined features make KEY-REX™ screws the most economical, tamperproof, high security screw available.

Button-Head Machine Screws
Penta Plus Button Head Machine Screw
NOM. Screw SizeScrew DIA.Head DiameterHead HeightDrive Size
UNC.REF.MAXMINMAXMINREF.
2-56.086.164.154.060.042P02
4-40.112.213.201.070.055P04
6-32.138.262.250.085.070P06
8-32.164.312.298.105.085P08
10-24.190.361.347.120.095P25
10-32.190.361.347.120.095P25
12-14.211.440.375.160.120P25
1/4-20.250.437.419.160.130P25
5/16-18.312.547.527.190.160P31
3/8-16.375.656.636.225.195P31
1/2-13.500.875.851.300.260P50
5/8-11.6251.000.970.360.320P62
Download Specification Table
Specifications
Flat-Head Machine Screws
Penta Plus Flat Head Machine Screw
NOM. Screw SizeScrew DIA.Head DiameterHead HeightDrive Size
UNC.REF.MAXMIN REF.
2-56.086.197.168.604P02
4-40.112.255.218.083P04
6-32.138.307.263.097P06
8-32.164.359.311.112P08
10-24.190.411.359.127P25
10-32.190.411.359.127P25
12-14.211.425.405.155P25
1/4-20.250.531.480.161P25
5/16-18.312.656.600.198p31
3/8-16.375.781.720.234P31
1/2-13.500.938.872.251P50
5/8-11.6251.112.970.324P62
Download Specification Table
Specifications

Penta-Plus™ Self-Tapping Screws

Keyed-Lok Custom Key High Security Screws Metric Button (Flat*) Head Machine Screws 18-8 Stainless Steel

Button-Head Self-Tapping Screws
Penta Plus Button Head Sheet Metal Screw
NOM. Screw SizeScrew DIA.Head DiameterHead HeightDrive Size
AB Self TappingREF.MAXMINMAXMinREF.
2-32.086.086.154.046.038P02
4-24.112.213.201.059.051P04
6-20.138.262.250.073.063P06
8-19.164.312.298.087.077P08
10-16.190.361.347.101.091P25
12-14.216.396.382.116.101P25
14-14.250.437.419.132.122P25
Download Specification Table
Specifications
Flat-Head Self-Tapping Screws
Penta Plus Flat Head Sheet Metal Screw
NOM. Screw SizeScrew DIA.Head DiameterHead HeightDrive Size
AB Self TappingREF.MAXMIN REF.
2-32.086.197.168.064P02
4-21.112.255.218.083P04
6-20.138.307.263.097P06
8-18.164.359.311.112P08
10-16.190.411.359.127P25
12-14.216.480.411.135P25
14-14.250.531.480.161P25
Download Specification Table
Specifications

Penta-Plus™ Metric Machine Screws

Penta-Plus™ High Security Screws Metric Button (Flat) Head Machine Screws 18-8 Stainless Steel

Button-Head Metric Machine Screws
Penta Plus Button Head Machine Screw
NOM. Screw SizeScrew DIA.Head Diameter MMHead Height MMDrive Size
 REF.MAXMINMAXMINREF.
M2x0.4.0774.44.01.41.0P02
M2.5x0.45.0974.84.31.51.3P04
M3x0.5.1185.75.41.651.43P06
M4x0.7.1577.67.242.201.95P08
M5x0.8.1969.59.142.752.5P25
M6x1.0.23610.510.073.33.0P25
M8x1.25.31514.013.574.44.05P31
M10x1.5.39317.517.075.55.2P37
M12x1.75.47221.020.486.66.24P50
M16x2.63028.027.488.808.44P62
Download Specification Table
Specifications
Flat-Head Metric Machine Screws
Penta Plus Flat Head Metric MachineScrew
NOM. Screw SizeScrew DIA.Head Diameter MMHead Height MMDrive Size
UNCREF.MAXMINMMINCHREF.
M2x0.4.0774.33.61.20.30P02
M2.5x0.45.0975.94.71.5.038-045P04
M3x0.5.1186.725.351.86.047-054P06
M4x0.7.1578.007.002.48.063-071P08
M5x0.8.19611.29.753.10.079-.088P25
M6x1.0.23613.511.73.72.095-.104P25
M8x1.25.31517.9715.624.96.126-.137P31
M10x1.5.39322.419.56.20.158-.170P37
M12x1.75.4722723.47.441.89-.203P50
M16x2.0.63034238.80.244-.240P62
Download Specification Table
Specifications

Penta-Plus™ Micro Self-Tapping Screws

Penta-Plus™ Tamperproof Security Screws Button (Flat) Sheet Metal, 18-8 Stainless Steel

Micro Penta-Plus™ self tapping screws are usually used in tamperproof application in plastics. They often come with a blunt point and plastics threads. They can be power driven and can accept more torque than most other tamperproof screws. They are available in smaller sizes (#2) than other tamper resistant screws. They become an economical high security tamperproof screw that is the best micro tamper proof screw on the market.

Penta-Plus™ Micro Machine Screws

Penta-Plus™ High Security Screws Button (Flat) Machine Screws 18-8 Stainless Steel

Micro Penta-Plus™ Machine are usually used in tamperproof application in plastics. They often come with a blunt point and plastics threads. They can be power driven and can accept more torque than most other tamperproof screws. They are available in smaller sizes than other tamper resistant screws. They become an economical high security tamperproof screw that is the best micro tamper proof screw on the market.

Penta-Plus™ Nuts & Drivers

1/4 Hex - 1GBP02 - $20.00

1/4 Hex - 1GBP04 - $20.00

1/4 Hex - 1GBP06 - $9.00

1/4 Hex - 1GBP25 - $9.00

5/16 Hex - 1GBP31 - $20.00

1/2 Hex - 1GPB62 - $30.00

1/2 Hex - 1GBP50 - $30.00
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KEY-REX™, Keyed-Lok®, Penta-Plus™, Hex-Pin™, and Tam-6lobe™ are registered trademarks of Bryce Fastener Mfg.

Copyright Bryce Fastener Mfg., Inc., 2015. All Rights Reserved. Prices Subject to Change Without Notice.

*Zero Theft is not Guaranteed.

Bryce Fastener is the world leader in high security locking screws, tamper proof screws, tamper-resistant screws, security fasteners, security screws and bolts.

1230 N. Mondel Dr. • Gilbert, Arizona 85233 • Tel: 1-800-558-1082 (U.S.) • 480-503-3801 (International) • Fax: 1.800.258.1082 • 480-503-3834 (Intl)

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