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Masking Straight Caps

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These Masking Straight Caps are typically used to mask studs and tube ends. They have excellent sealing capabilities due to the flexible material that they are manufactured from. Ideal applications include; powder coating, e-coating, plating, anodizing and blasting.

Although they are primarily designed fpr use as a cap, if inverted, they can also be used to plug holes.

Available in a choice of two materials; Silicone and EPDM. Silicone is a premium masking material due to its high temperature and chemical resistant properties. EPDM is a more economical material option with a lower heat resistance but superior chemical resistance. Both material options can be used multiple times.

  • Materials: Silicone 60F (316C) and EPDM 425F (218C)
  • Colors: Blue, Black, White, Green, Grey, Pink and Yellow
  • Hardness: Durometer (Shore A) 55+5

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187 results
Product SKUs information
Item Code Price range Availability Cap Inside Diameter Inside Height Maximum Temperature View
$0.1314 - $0.8102 2800 In stock
0.100 in
0.500 in
600 °F
$0.1766 - $1.0912 12500 In stock
0.109 in
0.750 in
600 °F
$0.1843 - $1.1927 29166 In stock
0.140 in
1.000 in
600 °F
$0.185 - $1.1418 5000 In stock
0.156 in
0.500 in
600 °F
$0.1972 - $1.2164 4640 In stock
0.172 in
0.500 in
600 °F
$0.226 - $1.3957 10900 In stock
0.180 in
1.000 in
600 °F
$0.4186 - $2.7137 3000 In stock
0.295 in
1.750 in
600 °F
$0.3527 - $2.2837 116500 In stock
0.312 in
1.500 in
600 °F
$0.4543 - $2.929 34489 In stock
0.355 in
1.500 in
600 °F
$0.3438 - $2.2208 500 In stock
0.295 in
1.500 in
600 °F
$0.294 - $1.901 2756 In stock
0.312 in
1.000 in
600 °F
$0.3527 - $2.2837 575 In stock
0.340 in
1.000 in
600 °F
$0.0533 - $0.329 3500 In stock
0.020 in
0.500 in
425 °F
$0.11 - $0.6815 4005 In stock
0.093 in
0.750 in
425 °F
$0.1381 - $0.852 2800 In stock
0.148 in
1.000 in
425 °F
$0.1558 - $0.9594 1465 In stock
0.156 in
1.000 in
425 °F
$0.1558 - $0.9594 4000 In stock
0.172 in
1.000 in
425 °F
SC018705B $0.1608 - $0.9925 1000 In stock
0.187 in
0.500 in
425 °F
$0.1789 - $1.1598 1000 In stock
0.187 in
1.500 in
425 °F
$0.2419 - $1.4972 14996 In stock
0.187 in
1.000 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 2.5 mm | 0.100 in ; ; Natural

SC010005A

Price Range
$0.8102 - $0.1314

Stock Levels
2800 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 2.8 mm | 0.109 in ; ; Natural

SC010907A

Price Range
$1.0912 - $0.1766

Stock Levels
12500 In stock
Attributes
  • Cap Inside Diameter
    0.109 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #5-40,M3
Straight Cap - Cap Inside Diameter - 3.6 mm | 0.140 in ; ; Natural

SC014010A

Price Range
$1.1927 - $0.1843

Stock Levels
29166 In stock
Attributes
  • Cap Inside Diameter
    0.140 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M4,8-32
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Natural

SC015605A

Price Range
$1.1418 - $0.185

Stock Levels
5000 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #8-32,M4
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Natural

SC017205A

Price Range
$1.2164 - $0.1972

Stock Levels
4640 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #10-24
Straight Cap - Cap Inside Diameter - 4.6 mm | 0.180 in ; ; Natural

SC018010A

Price Range
$1.3957 - $0.226

Stock Levels
10900 In stock
Attributes
  • Cap Inside Diameter
    0.180 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M5,12-24
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Natural

SC029517A

Price Range
$2.7137 - $0.4186

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; ; Natural

SC031215A

Price Range
$2.2837 - $0.3527

Stock Levels
116500 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 9 mm | 0.355 in ; ; Natural

SC035515A

Price Range
$2.929 - $0.4543

Stock Levels
34489 In stock
Attributes
  • Cap Inside Diameter
    0.355 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Natural

SC029515A

Price Range
$2.2208 - $0.3438

Stock Levels
500 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; ; Natural

SC031210A

Price Range
$1.901 - $0.294

Stock Levels
2756 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 8.6 mm | 0.340 in ; ; Natural

SC034010A

Price Range
$2.2837 - $0.3527

Stock Levels
575 In stock
Attributes
  • Cap Inside Diameter
    0.340 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M10
Straight Cap - Cap Inside Diameter - 0.5 mm | 0.020 in ; ; Black

SC002005B

Price Range
$0.329 - $0.0533

Stock Levels
3500 In stock
Attributes
  • Cap Inside Diameter
    0.020 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Fitting Style
    Push Fit
Straight Cap - Cap Inside Diameter - 2.4 mm | 0.093 in ; ; Black

SC009307B

Price Range
$0.6815 - $0.11

Stock Levels
4005 In stock
Attributes
  • Cap Inside Diameter
    0.093 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #3-48
Straight Cap - Cap Inside Diameter - 3.8 mm | 0.148 in ; ; Black

SC014810C

Price Range
$0.852 - $0.1381

Stock Levels
2800 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M4
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Black

SC015610C

Price Range
$0.9594 - $0.1558

Stock Levels
1465 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #8-32,M4
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Black

SC017210B

Price Range
$0.9594 - $0.1558

Stock Levels
4000 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M5,12-24
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Black

SC018705B

Price Range
$0.9925 - $0.1608

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Black

SC018715B

Price Range
$1.1598 - $0.1789

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Natural

SC018710A

Price Range
$1.4972 - $0.2419

Stock Levels
14996 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #12-24,M5