Penta Head Bolt

Penta Bolts feature a five-sided (pentagonal) head that require a special penta socket tool to unloosen or remove. Penta bolts are tamper-resistant fasteners that frequently used to secure polymer concrete vaults, meter boxes, pole top transformers and for other security purposes.
Penta bolts are also known as pentagon head screws or 5-point screws.They are manufactured in stainless steel, bronze, brass and regular low carbon steel and can be supplied with standard threads or coil threads.
Available in 3/8", 1/2" and 5/8" diameter.
Don't see your item? Don't see your size? We will custom manufacture penta head bolts to your exact specifications.

CBX12214.16-C
- 1/2-13 X 2-1/4 Penta Head Bolt Drilled Shank
- G
- 42
- Weight: 141.100
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 2-1/42-1/4 |
Threading: | Full ThreadFull Thread |
Material/Grade: | GR5GR5 |
Head: | |
Coating: | Zinc ClearZinc Clear |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBX12314.1SS
- 1/2-13 X 3-1/4 Penta Head Bolt
- G
- 11
- Weight: 187.805
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 3-1/43-1/4 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBX58212.1SS
- 5/8-11 X 2-1/2 Penta Head Bolt
- G
- 14
- Weight: 227.950
Diameter: | 5/85/8 |
Threads Per Inch: | 1111 |
Length: | 2-1/22-1/2 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBX58314.1SS
- 5/8-11 X 3-1/4 Penta Head Bolt
- G
- 15
- Weight: 274.886
Diameter: | 5/85/8 |
Threads Per Inch: | 1111 |
Length: | 3-1/43-1/4 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBX584.1SS
- 5/8-11 X 4 Penta Head Bolt
- G
- 16
- Weight: 328.469
Diameter: | 5/85/8 |
Threads Per Inch: | 1111 |
Length: | 44 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
, STAINLESS STEEL1.png)
CBXL381.1SS
- 3/8-16 X 1 Large Head Penta Bolt
- G
- 17
- Weight: 73.025
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 11 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
 STAINLESS STEEL1.png)
CBXL38112.1SS
- 3/8-16 X 1-1/2 Large Head Penta Bolt
- C
- 19
- Weight: 85.318
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/21-1/2 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- In Stock

CBXL38114.1SS
- 3/8-16 X 1-1/4 Large Head Penta Bolt
- G
- 18
- Weight: 79.139
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/41-1/4 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
 STAINLESS STEEL1.png)
CBXL382.1SS
- 3/8-16 X 2 Large Head Penta Bolt
- G
- 20
- Weight: 97.523
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 22 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
 STAINLESS STEEL1.png)
CBXL38212.1SS
- 3/8-16 X 2-1/2 Large Head Penta Bolt
- D
- 22
- Weight: 109.830
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 2-1/22-1/2 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- In Stock
 S.S.1.png)
CBXL38214.1SS
- 3/8-16 X 2-1/4 Large Head Penta Bolt
- G
- 21
- Weight: 104.330
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 2-1/42-1/4 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- In Stock
 STAINLESS STEEL1.png)
CBXL383.1SS
- 3/8-16 X 3 Large Head Penta Bolt
- G
- 23
- Weight: 122.180
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 33 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBXL38312.1SS
- 3/8-16 X 3-1/2 Large Head Penta Bolt
- G
- 24
- Weight: 134.159
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 3-1/23-1/2 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
 STAINLESS STEEL1.png)
CBXL384.1SS
- 3/8-16 X 4 Large Head Penta Bolt
- G
- 25
- Weight: 148.000
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 44 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Large HeadLarge Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBXS381.1SS
- 3/8-16 X 1 Small Head Penta Bolt
- G
- 26
- Weight: 40.070
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 11 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Small HeadSmall Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBXS38112.1SS
- 3/8-16 X 1-1/2 Small Head Penta Bolt
- G
- 28
- Weight: 52.455
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/21-1/2 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Small HeadSmall Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBXS38114.1SS
- 3/8-16 X 1-1/4 Small Head Penta Bolt
- G
- 27
- Weight: 46.502
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/41-1/4 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Small HeadSmall Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBXS38212.1SS
- 3/8-16 X 2-1/2 Small Head Penta Bolt
- G
- 29
- Weight: 76.829
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 2-1/22-1/2 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Small HeadSmall Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

CBXS38312.1SS
- 3/8-16 X 3-1/2 Small Head Penta Bolt
- G
- 30
- Weight: 100.970
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 3-1/23-1/2 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | Small HeadSmall Head |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBN12114DS.1SS
- 1/2-13 X 1-1/4 Penta Head Bolt Drilled Shank
- G
- 41
- Weight: 101.000
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 1-1/41-1/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBN121DS.1SS
- 1/2-13 X 1 Penta Head Bolt Drilled Shank
- F
- 40
- Weight: 90.000
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 11 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBN38112.6-H
- 3/8-16 X 1-1/2 Penta Bolt Drilled Shank
- G
- 38
- Weight: 86.167
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/21-1/2 |
Threading: | |
Material/Grade: | SteelSteel |
Head: | |
Coating: | HDGHDG |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX10011.1SS
- 3/8-16 X 1-1/4 Penta Bolt Retainer Groove
- G
- 31
- Weight: 78.000
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/41-1/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX1002.1SS
- 3/8-16 X 1-1/2 Penta Bolt Retainer Groove
- G
- 32
- Weight: 87.000
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/21-1/2 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX1005.1SS
- 3/8-16 X 1-1/4 Penta Bolt Drilled Shank
- G
- 39
- Weight: 78.008
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/41-1/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX100PE6X.1SS
- 3/8-16 X 1-1/2 Penta Bolt Retainer Groove
- G
- 33
- Weight: 87.000
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/21-1/2 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX1032.1SS
- 3/8-16 X 1-3/4 Penta Bolt Retainer Groove
- G
- 34
- Weight: 85.000
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-3/41-3/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX1037.1SS
- 3/8-16 X 2 Penta Bolt Retainer Groove
- G
- 37
- Weight: 90.000
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 2,2, |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX121.1SS
- 1/2-13 X 1 Penta Head Bolt
- G
- 1
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 11 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
 STAINLESS STEEL2.png)
PBX12112.1SS
- 1/2-13 X 1-1/2 Penta Head Bolt
- G
- 4
- Weight: 114.480
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 1-1/21-1/2 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- In Stock

PBX12114.1SS
- 1/2-13 X 1-1/4 Penta Head Bolt
- G
- 3
- Weight: 92.375
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 1-1/41-1/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX12118.1SS
- 1/2-13 X 1-1/8 Penta Head Bolt
- G
- 2
- Weight: 100.490
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 1-1/81-1/8 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX12134.1SS
- 1/2-13 X 1 3/4 Penta Head Bolt
- G
- 5
- Weight: 125.056
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 1 3/41 3/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
 STAINLESS STEEL1.png)
PBX122.1SS
- 1/2-13 X 2 Penta Head Bolt
- F
- 6
- Weight: 138.130
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 22 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- In Stock
 STAINLESS STEEL1.png)
PBX12212.12SS
- 1/2-13 X 2-1/2 Penta Head Bolt w/ Captive Washer
- A
- 8
- Weight: 177.850
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 2-1/22-1/2 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- In Stock

PBX12212.1SS
- 1/2-13 X 2-1/2 Penta Head Bolt
- G
- 7
- Weight: 159.070
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 2-1/22-1/2 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX12234.16-C
- 1/2-13 X 2-3/4 Penta Head Bolt Drilled Shank
- G
- 43
- Weight: 165.360
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 2-3/42-3/4 |
Threading: | |
Material/Grade: | GR5GR5 |
Head: | |
Coating: | Zinc ClearZinc Clear |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX12234.16SS
- 1/2-13 X 2-3/4 Penta Head Bolt Drilled Shank - SS
- G
- 44
- Weight: 166.440
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 2-3/42-3/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX12234.1SS
- 1/2-13 X 2 3/4 Penta Head Bolt
- G
- 9
- Weight: 169.927
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 2 3/42 3/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX123.16-C
- 1/2-13 X 3 Penta Head Bolt Drilled Shank
- G
- 46
- Weight: 175.080
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 33 |
Threading: | |
Material/Grade: | GR5GR5 |
Head: | |
Coating: | Zinc ClearZinc Clear |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX123.16SS
- 1/2-13 X 3 Penta Head Bolt Drilled Shank - SS
- G
- 45
- Weight: 176.140
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 33 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
 STAINLESS STEEL1.png)
PBX123.1SS
- 1/2-13 X 3 Penta Head Bolt
- D
- 10
- Weight: 176.400
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 33 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX12312.1SS
- 1/2-13 X 3-1/2 Penta Head Bolt
- G
- 12
- Weight: 204.470
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 3-1/23-1/2 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX124.1SS
- 1/2-13 X 4 Penta Head Bolt
- G
- 13
- Weight: 228.000
Diameter: | 1/21/2 |
Threads Per Inch: | 1313 |
Length: | 44 |
Threading: | Full ThreadFull Thread |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX38112.16SS
- 3/8-16 X 1-1/2 Penta Bolt Retainer Groove
- F
- 36
- Weight: 80.000
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/21-1/2 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA

PBX38114.16SS
- 3/8-16 X 1-1/4 Penta Bolt Retainer Groove
- G
- 35
- Weight: 71.000
Diameter: | 3/83/8 |
Threads Per Inch: | 1616 |
Length: | 1-1/41-1/4 |
Threading: | |
Material/Grade: | 304 Stainless Steel304 Stainless Steel |
Head: | |
Coating: | PassivatedPassivated |
Extra Comment: |
- Log in for price
- Request Quote for Availability
- Contact for ETA
No items match your selected filters. Please change or reset your filters to try again.
View Cart
View Project Lists