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Knurled Thumb Screws - Slotted/Plastic

In stock

Knurled Thumb Screws, often simply referred to as Thumb Screws or a Knurled Screw, are among the most commonly used screw types and are highly important. This is due to their versatility, as they can be used across a plethora of industrial applications.

These Nylon Thumb Screws can be fastened manually; they are made for applications that need regular modification, because they are easy to install and remove. They can also be installed using a flat head screwdriver. Made from Natural Nylon 6/6, they have a knurled head that features a slotted drive.

As well as M4 Thumb Screw options, our Nylon Thumb Screw range also has M3, M5 and M6 thread size availability.

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53 results
Product SKUs information
Item Code Price range Availability Pitch Diameter Thread Size Head Height Head Diameter Thread Length View
£ 0.0223 - £ 0.0223 In production
0.5 mm
M3
5.5 mm
8.1 mm
5.0 mm
£ 0.0257 - £ 0.0257 21516 In stock
0.5 mm
M3
5.5 mm
8.1 mm
12.0 mm
£ 0.0331 - £ 0.0331 12020 In stock
0.7 mm
M4
8.1 mm
10.5 mm
6.0 mm
0330170000VR £ 0.0162 - £ 0.0162 20458 In stock
0.7 mm
M4
8.1 mm
10.5 mm
16.0 mm
£ 0.0561 - £ 0.0561 12800 In stock
0.7 mm
M4
8.1 mm
10.5 mm
40.0 mm
£ 0.0321 - £ 0.0321 16075 In stock
0.8 mm
M5
8.1 mm
10.5 mm
16.0 mm
£ 0.0424 - £ 0.0424 39632 In stock
1.0 mm
M6
8.3 mm
12.3 mm
10.0 mm
0330390000VR £ 0.0361 - £ 0.0361 21042 In stock
1.0 mm
M6
8.3 mm
12.3 mm
25.0 mm
£ 0.0383 - £ 0.0383 10560 In stock
1.0 mm
M6
8.3 mm
12.3 mm
20.0 mm
£ 0.0578 - £ 0.0714 2390 In stock
1.0 mm
M6
8.3 mm
12.3 mm
45.0 mm
£ 0.0299 - £ 0.037 1994 In stock
0.5 mm
M3
5.2 mm
7.6 mm
30.0 mm
£ 0.0286 - £ 0.0353 19996 In stock
0.5 mm
M3
5.2 mm
7.6 mm
10.0 mm
£ 0.0314 - £ 0.0388 1869 In stock
0.7 mm
M4
9.7 mm
16.0 mm
£ 0.0339 - £ 0.0418 32000 In stock
0.8 mm
M5
7.8 mm
10.0 mm
8.0 mm
£ 0.0539 - £ 0.0665 3500 In stock
1.0 mm
M6
7.8 mm
12.2 mm
10.0 mm
£ 0.0281 - £ 0.0347 In production
0.5 mm
M3
5.2 mm
7.6 mm
6.0 mm
£ 0.031 - £ 0.0383 41483 In stock
0.7 mm
M4
9.7 mm
10.0 mm
£ 0.0318 - £ 0.0393 In production
0.7 mm
M4
9.7 mm
25.0 mm
50M050080T016 £ 0.0346 - £ 0.0427 In production
0.8 mm
M5
7.8 mm
10.0 mm
16.0 mm
£ 0.0543 - £ 0.0671 400 In stock
1.0 mm
M6
7.8 mm
12.2 mm
16.0 mm
  • of 3
Slotted knurled head screw M3 5.0 mm PA

0330010000VR

Price Range
£ 0.0223 - £ 0.0223

Stock Levels
In production
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    5.0 mm
Slotted knurled head screw M3 12.0 mm PA

0330050000VR

Price Range
£ 0.0257 - £ 0.0257

Stock Levels
21516 In stock
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    12.0 mm
Slotted knurled head screw M4 6.0 mm PA

0330130000VR

Price Range
£ 0.0331 - £ 0.0331

Stock Levels
12020 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    6.0 mm
Slotted knurled head screw M4 16.0 mm PA

0330170000VR

Price Range
£ 0.0162 - £ 0.0162

Stock Levels
20458 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    16.0 mm
Slotted knurled head screw M4 40.0 mm PA

0330220000VR

Price Range
£ 0.0561 - £ 0.0561

Stock Levels
12800 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    40.0 mm
Slotted knurled head screw M5 16.0 mm PA

0330270000VR

Price Range
£ 0.0321 - £ 0.0321

Stock Levels
16075 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    16.0 mm
Slotted knurled head screw M6 10.0 mm PA

0330340000VR

Price Range
£ 0.0424 - £ 0.0424

Stock Levels
39632 In stock
Attributes
  • Head Diameter
    12.3 mm
  • Head Height
    8.3 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    10.0 mm
Slotted knurled head screw M6 25.0 mm PA

0330390000VR

Price Range
£ 0.0361 - £ 0.0361

Stock Levels
21042 In stock
Attributes
  • Head Diameter
    12.3 mm
  • Head Height
    8.3 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    25.0 mm
Slotted knurled head screw M6 20.0 mm PA

0330370000VR

Price Range
£ 0.0383 - £ 0.0383

Stock Levels
10560 In stock
Attributes
  • Head Diameter
    12.3 mm
  • Head Height
    8.3 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    20.0 mm
Slotted knurled head screw M6 45.0 mm PA

50M060100T045

Price Range
£ 0.0714 - £ 0.0578

Stock Levels
2390 In stock
Attributes
  • Head Diameter
    12.3 mm
  • Head Height
    8.3 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    45.0 mm
Slotted knurled head screw M3 30.0 mm PA

50M030050T030

Price Range
£ 0.037 - £ 0.0299

Stock Levels
1994 In stock
Attributes
  • Head Diameter
    7.6 mm
  • Head Height
    5.2 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    30.0 mm
Slotted knurled head screw M3 10.0 mm PA

50M030050T010

Price Range
£ 0.0353 - £ 0.0286

Stock Levels
19996 In stock
Attributes
  • Head Diameter
    7.6 mm
  • Head Height
    5.2 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    10.0 mm
Slotted knurled head screw M4 16.0 mm PA

50M040070T016

Price Range
£ 0.0388 - £ 0.0314

Stock Levels
1869 In stock
Attributes
  • Head Diameter
    9.7 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    16.0 mm
  • Head Type
    Round Slotted Head
Slotted knurled head screw M5 8.0 mm PA

50M050080T008

Price Range
£ 0.0418 - £ 0.0339

Stock Levels
32000 In stock
Attributes
  • Head Diameter
    10.0 mm
  • Head Height
    7.8 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    8.0 mm
Slotted knurled head screw M6 10.0 mm PA

50M060100T010

Price Range
£ 0.0665 - £ 0.0539

Stock Levels
3500 In stock
Attributes
  • Head Diameter
    12.2 mm
  • Head Height
    7.8 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    10.0 mm
Slotted knurled head screw M3 6.0 mm PA

50M030050T006

Price Range
£ 0.0347 - £ 0.0281

Stock Levels
In production
Attributes
  • Head Diameter
    7.6 mm
  • Head Height
    5.2 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    6.0 mm
Slotted knurled head screw M4 10.0 mm PA

50M040070T010

Price Range
£ 0.0383 - £ 0.031

Stock Levels
41483 In stock
Attributes
  • Head Diameter
    9.7 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    10.0 mm
  • Head Type
    Round Slotted Head
Slotted knurled head screw M4 25.0 mm PA

50M040070T025

Price Range
£ 0.0393 - £ 0.0318

Stock Levels
In production
Attributes
  • Head Diameter
    9.7 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    25.0 mm
  • Head Type
    Round Slotted Head
Slotted knurled head screw M5 16.0 mm PA

50M050080T016

Price Range
£ 0.0427 - £ 0.0346

Stock Levels
In production
Attributes
  • Head Diameter
    10.0 mm
  • Head Height
    7.8 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    16.0 mm
Slotted knurled head screw M6 16.0 mm PA

50M060100T016

Price Range
£ 0.0671 - £ 0.0543

Stock Levels
400 In stock
Attributes
  • Head Diameter
    12.2 mm
  • Head Height
    7.8 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    16.0 mm
Slotted knurled head screw M3 8.0 mm PA

50M030050T008

Price Range
£ 0.035 - £ 0.0283

Stock Levels
5899 In stock
Attributes
  • Head Diameter
    7.6 mm
  • Head Height
    5.2 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    8.0 mm
Slotted knurled head screw M4 12.0 mm PA

50M040070T012

Price Range
£ 0.0522 - £ 0.0423

Stock Levels
1050 In stock
Attributes
  • Head Diameter
    9.7 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    12.0 mm
  • Head Type
    Round Slotted Head
Slotted knurled head screw M5 6.0 mm PA

50M050080T006

Price Range
£ 0.0415 - £ 0.0336

Stock Levels
980 In stock
Attributes
  • Head Diameter
    10.0 mm
  • Head Height
    7.8 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    6.0 mm
Slotted knurled head screw M5 25.0 mm PA

50M050080T025

Price Range
£ 0.0586 - £ 0.0474

Stock Levels
In production
Attributes
  • Head Diameter
    10.0 mm
  • Head Height
    7.8 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    25.0 mm
Slotted knurled head screw M3 5.0 mm PA

50M030050T005

Price Range
£ 0.0345 - £ 0.0279

Stock Levels
In production
Attributes
  • Head Diameter
    7.6 mm
  • Head Height
    5.2 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    5.0 mm
Slotted knurled head screw M3 16.0 mm PA

50M030050T016

Price Range
£ 0.036 - £ 0.0291

Stock Levels
2600 In stock
Attributes
  • Head Diameter
    7.6 mm
  • Head Height
    5.2 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    16.0 mm
Slotted knurled head screw M4 20.0 mm PA

50M040070T020

Price Range
£ 0.0391 - £ 0.0317

Stock Levels
In production
Attributes
  • Head Diameter
    9.7 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    20.0 mm
  • Head Type
    Round Slotted Head
Slotted knurled head screw M5 12.0 mm PA

50M050080T012

Price Range
£ 0.0574 - £ 0.0465

Stock Levels
1985 In stock
Attributes
  • Head Diameter
    10.0 mm
  • Head Height
    7.8 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    12.0 mm
Slotted knurled head screw M6 12.0 mm PA

50M060100T012

Price Range
£ 0.0668 - £ 0.0541

Stock Levels
499 In stock
Attributes
  • Head Diameter
    12.2 mm
  • Head Height
    7.8 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    12.0 mm
Slotted knurled head screw M6 50.0 mm PA

50M060100T050

Price Range
£ 0.0715 - £ 0.0579

Stock Levels
324 In stock
Attributes
  • Head Diameter
    12.3 mm
  • Head Height
    8.3 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    50.0 mm
Slotted knurled head screw M4 35.0 mm PA

50M040070T035

Price Range
£ 0.0555 - £ 0.0449

Stock Levels
In production
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    35.0 mm
Slotted knurled head screw M3 6.0 mm PA

0330020000VR

Price Range
£ 0.0238 - £ 0.0238

Stock Levels
31340 In stock
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    6.0 mm
Slotted knurled head screw M3 16.0 mm PA

0330060000VR

Price Range
£ 0.0173 - £ 0.0173

Stock Levels
31046 In stock
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    16.0 mm
Slotted knurled head screw M4 8.0 mm PA

0330140000VR

Price Range
£ 0.0286 - £ 0.0286

Stock Levels
22735 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    8.0 mm
Slotted knurled head screw M4 20.0 mm PA

0330180000VR

Price Range
£ 0.0271 - £ 0.0271

Stock Levels
46171 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    20.0 mm
Slotted knurled head screw M5 8.0 mm PA

0330240000VR

Price Range
£ 0.0283 - £ 0.0283

Stock Levels
21702 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    8.0 mm
Slotted knurled head screw M5 20.0 mm PA

0330280000VR

Price Range
£ 0.0324 - £ 0.0324

Stock Levels
741 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    20.0 mm
Slotted knurled head screw M6 12.0 mm PA

0330350000VR

Price Range
£ 0.0439 - £ 0.0439

Stock Levels
21051 In stock
Attributes
  • Head Diameter
    12.3 mm
  • Head Height
    8.3 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    12.0 mm
Slotted knurled head screw M6 30.0 mm PA

0330500000VR

Price Range
£ 0.038 - £ 0.038

Stock Levels
2040 In stock
Attributes
  • Head Diameter
    12.3 mm
  • Head Height
    8.3 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    30.0 mm
Slotted knurled head screw M3 8.0 mm PA

0330030000VR

Price Range
£ 0.0251 - £ 0.0251

Stock Levels
30991 In stock
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    8.0 mm
Slotted knurled head screw M3 20.0 mm PA

0330070000VR

Price Range
£ 0.026 - £ 0.026

Stock Levels
5530 In stock
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    20.0 mm
Slotted knurled head screw M4 10.0 mm PA

0330150000VR

Price Range
£ 0.0288 - £ 0.0288

Stock Levels
60628 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    10.0 mm
Slotted knurled head screw M4 25.0 mm PA

0330190000VR

Price Range
£ 0.0314 - £ 0.0314

Stock Levels
12693 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    25.0 mm
Slotted knurled head screw M5 10.0 mm PA

0330250000VR

Price Range
£ 0.0342 - £ 0.0342

Stock Levels
27486 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    10.0 mm
Slotted knurled head screw M5 30.0 mm PA

0330300000VR

Price Range
£ 0.0364 - £ 0.0364

Stock Levels
2623 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    30.0 mm
Slotted knurled head screw M6 16.0 mm PA

0330360000VR

Price Range
£ 0.0434 - £ 0.0434

Stock Levels
16870 In stock
Attributes
  • Head Diameter
    12.3 mm
  • Head Height
    8.3 mm
  • Thread Size
    M6
  • Pitch Diameter
    1.0 mm
  • Thread Length
    16.0 mm
Slotted knurled head screw M3 4.0 mm PA

0330000000VR

Price Range
£ 0.0282 - £ 0.0282

Stock Levels
12015 In stock
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    4.0 mm
Slotted knurled head screw M3 10.0 mm PA

0330040000VR

Price Range
£ 0.0264 - £ 0.0264

Stock Levels
39000 In stock
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    10.0 mm
Slotted knurled head screw M3 25.0 mm PA

0330080000VR

Price Range
£ 0.0223 - £ 0.0223

Stock Levels
3185 In stock
Attributes
  • Head Diameter
    8.1 mm
  • Head Height
    5.5 mm
  • Thread Size
    M3
  • Pitch Diameter
    0.5 mm
  • Thread Length
    25.0 mm
Slotted knurled head screw M4 12.0 mm PA

0330160000VR

Price Range
£ 0.0324 - £ 0.0324

Stock Levels
23899 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    12.0 mm
Slotted knurled head screw M4 30.0 mm PA

0330200000VR

Price Range
£ 0.041 - £ 0.041

Stock Levels
21762 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M4
  • Pitch Diameter
    0.7 mm
  • Thread Length
    30.0 mm
Slotted knurled head screw M5 12.0 mm PA

0330260000VR

Price Range
£ 0.0321 - £ 0.0321

Stock Levels
10668 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    12.0 mm
Slotted knurled head screw M5 40.0 mm PA

0330310000VR

Price Range
£ 0.0735 - £ 0.0735

Stock Levels
2679 In stock
Attributes
  • Head Diameter
    10.5 mm
  • Head Height
    8.1 mm
  • Thread Size
    M5
  • Pitch Diameter
    0.8 mm
  • Thread Length
    40.0 mm