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High Type Knurled Thumb Screws. Manufactured to DIN 464 in A1 Stainless Steel. Please note that these are sold in multiples of 2 .Thumb Screws are designed to be screwed by hand rather than by a driver. These are knurled for extra grip while turning. These screws have a multitude of uses on various machinery or tripods or anything where quick and easy manual adjustment is needed.brManufactured from A1 Stainless Steel these offer good corrosion resistance and are almost non magnetic.
Code:
Bolt Base Ltd Delivery & Returns
UK Orders Orders placed by 1.00pm will be dispatched same day.
Shipping will be charged at a rate of £3.00 for second class and £3.95 for 1st class royal mail. Shipping will be free of charge on orders with a value over £50.00.
All UK orders will be sent by royal mail if selected at checkout, heavier and higher value orders may be sent by DHL.
Next day delivery is available for £7.99 and will be made by DHL or Royal mail Special Delivery. Orders must be received before 1.00pm. Next day delivery orders placed between 1.00pm Thursday and 1.00pm Friday will likely not arrive till Monday. Next day orders placed between 1.00pm Friday and 1.00pm Monday will be due for arrival on Tuesday.
Usual shipping time for royal mail 1st class is 1-3 working days but can sometimes take a little longer in some circumstances.
Returns We operate a 60 day return policy and try to keep things as simple as possible.
All goods should be returned to us in the same condition we sent them in and should always be unused, any returns we receive with signs that they have been used may be returned to the customer and a refund or exchange may be denied.
For goods that we have supplied correctly you are entitled to return these to us for a full refund (excluding any shipping paid) or an exchange if preferred. Please return goods to us either with original invoice or a photo copy so that we can identify your order. Please also include a note explaining what you would like us to do for you whether it is an exchange or refund. Please include a note even if already discussed by email or over the phone.
For goods that are faulty or have been incorrectly supplied we can offer a full refund including any shipping paid or an exchange if preferred. Please return goods to us either with original invoice or a photo copy so that we can identify your order. Please also include a note explaining what you would like us to do for you whether it is an exchange or refund. Please include a note even if already discussed by email or over the phone.
For all returns please make sure that you retain any proof of postage as we can not be held responsible for any returns that do not reach us.
All returns should be clearly marked and sent to: Bolt Base LTD Returns Unit 6A The Trade Center Bruce Street Alloa Clackmannanshire FK10 1RX UK
Please contact us for our Payment & Security policy.
Reference
Diameter
Head Diameter
Head Height
Thread Diameter
Thread Pitch
Shoulder Diameter
Shoulder Height
A1-Thumb-Screws4mmM3
M3
12mm
2.5mm
3mm
0.5mm
6mm
5mm
A1-Thumb-Screws5mmM4
M4
16mm
3.5mm
4mm
0.7mm
8mm
6mm
A1-Thumb-Screws6mmM5
M5
20mm
4mm
5mm
0.8mm
10mm
7.5mm
A1-Thumb-Screws10mmM6
M6
24mm
5mm
6mm
1.0mm
12mm
10mm
A1-Thumb-Screws16mmM8
M8
30mm
6mm
8mm
1.25mm
16mm
12mm
Specifications
A1-Thumb-Screws4mmM3
Diameter
M3
A1-Thumb-Screws4mmM3
Head Diameter
12mm
A1-Thumb-Screws4mmM3
Head Height
2.5mm
A1-Thumb-Screws4mmM3
Thread Diameter
3mm
A1-Thumb-Screws4mmM3
Thread Pitch
0.5mm
A1-Thumb-Screws4mmM3
Shoulder Diameter
6mm
A1-Thumb-Screws4mmM3
Shoulder Height
5mm
A1-Thumb-Screws5mmM4
Diameter
M4
A1-Thumb-Screws5mmM4
Head Diameter
16mm
A1-Thumb-Screws5mmM4
Head Height
3.5mm
A1-Thumb-Screws5mmM4
Thread Diameter
4mm
A1-Thumb-Screws5mmM4
Thread Pitch
0.7mm
A1-Thumb-Screws5mmM4
Shoulder Diameter
8mm
A1-Thumb-Screws5mmM4
Shoulder Height
6mm
A1-Thumb-Screws6mmM5
Diameter
M5
A1-Thumb-Screws6mmM5
Head Diameter
20mm
A1-Thumb-Screws6mmM5
Head Height
4mm
A1-Thumb-Screws6mmM5
Thread Diameter
5mm
A1-Thumb-Screws6mmM5
Thread Pitch
0.8mm
A1-Thumb-Screws6mmM5
Shoulder Diameter
10mm
A1-Thumb-Screws6mmM5
Shoulder Height
7.5mm
A1-Thumb-Screws10mmM6
Diameter
M6
A1-Thumb-Screws10mmM6
Head Diameter
24mm
A1-Thumb-Screws10mmM6
Head Height
5mm
A1-Thumb-Screws10mmM6
Thread Diameter
6mm
A1-Thumb-Screws10mmM6
Thread Pitch
1.0mm
A1-Thumb-Screws10mmM6
Shoulder Diameter
12mm
A1-Thumb-Screws10mmM6
Shoulder Height
10mm
A1-Thumb-Screws16mmM8
Diameter
M8
A1-Thumb-Screws16mmM8
Head Diameter
30mm
A1-Thumb-Screws16mmM8
Head Height
6mm
A1-Thumb-Screws16mmM8
Thread Diameter
8mm
A1-Thumb-Screws16mmM8
Thread Pitch
1.25mm
A1-Thumb-Screws16mmM8
Shoulder Diameter
16mm
A1-Thumb-Screws16mmM8
Shoulder Height
12mm
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Product Information
Units Per Pack
1+
11+
26+
51+
101+
Number of PacksQty
Total Cost
A1 Stainless Steel Knurled Thumb Screws - M3 x 4
1+
£4.19
£3.49
11+
£4.00
£3.33
26+
£3.79
£3.16
51+
£3.26
£2.72
101+
£3.08
£2.57
In stock
2
£4.19
£3.49
£4.00
£3.33
£3.79
£3.16
£3.26
£2.72
£3.08
£2.57
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M3 x 5
1+
£4.19
£3.49
11+
£4.00
£3.33
26+
£3.79
£3.16
51+
£3.26
£2.72
101+
£3.08
£2.57
In stock
2
£4.19
£3.49
£4.00
£3.33
£3.79
£3.16
£3.26
£2.72
£3.08
£2.57
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M3 x 6
1+
£3.90
£3.25
11+
£3.70
£3.08
26+
£3.49
£2.91
51+
£2.99
£2.49
101+
£2.81
£2.34
In stock
2
£3.90
£3.25
£3.70
£3.08
£3.49
£2.91
£2.99
£2.49
£2.81
£2.34
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M3 x 8
1+
£3.90
£3.25
11+
£3.70
£3.08
26+
£3.49
£2.91
51+
£2.99
£2.49
101+
£2.81
£2.34
In stock
2
£3.90
£3.25
£3.70
£3.08
£3.49
£2.91
£2.99
£2.49
£2.81
£2.34
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M3 x 10
1+
£4.00
£3.33
11+
£3.79
£3.16
26+
£3.59
£2.99
51+
£3.08
£2.57
101+
£2.90
£2.42
In stock
2
£4.00
£3.33
£3.79
£3.16
£3.59
£2.99
£3.08
£2.57
£2.90
£2.42
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M3 x 12
1+
£4.19
£3.49
11+
£4.01
£3.34
26+
£3.83
£3.19
51+
£3.32
£2.77
101+
£3.17
£2.64
In stock
2
£4.19
£3.49
£4.01
£3.34
£3.83
£3.19
£3.32
£2.77
£3.17
£2.64
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M3 x 16
1+
£4.58
£3.82
11+
£4.40
£3.67
26+
£4.21
£3.51
51+
£3.70
£3.08
101+
£3.52
£2.93
In stock
2
£4.58
£3.82
£4.40
£3.67
£4.21
£3.51
£3.70
£3.08
£3.52
£2.93
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M3 x 20
1+
£4.97
£4.14
11+
£4.76
£3.97
26+
£4.56
£3.80
51+
£3.96
£3.30
101+
£3.78
£3.15
In stock
2
£4.97
£4.14
£4.76
£3.97
£4.56
£3.80
£3.96
£3.30
£3.78
£3.15
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M4 x 5
1+
£3.90
£3.25
11+
£3.73
£3.11
26+
£3.56
£2.97
51+
£3.42
£2.85
101+
£3.25
£2.71
In stock
2
£3.90
£3.25
£3.73
£3.11
£3.56
£2.97
£3.42
£2.85
£3.25
£2.71
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M4 x 6
1+
£3.72
£3.10
11+
£3.55
£2.96
26+
£3.38
£2.82
51+
£3.24
£2.70
101+
£3.07
£2.56
In stock
2
£3.72
£3.10
£3.55
£2.96
£3.38
£2.82
£3.24
£2.70
£3.07
£2.56
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M4 x 8
1+
£3.85
£3.21
11+
£3.68
£3.07
26+
£3.50
£2.92
51+
£3.35
£2.79
101+
£3.17
£2.64
In stock
2
£3.85
£3.21
£3.68
£3.07
£3.50
£2.92
£3.35
£2.79
£3.17
£2.64
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M4 x 10
1+
£3.94
£3.28
11+
£3.78
£3.15
26+
£3.60
£3.00
51+
£3.43
£2.86
101+
£3.25
£2.71
In stock
2
£3.94
£3.28
£3.78
£3.15
£3.60
£3.00
£3.43
£2.86
£3.25
£2.71
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M4 x 12
1+
£4.18
£3.48
11+
£4.00
£3.33
26+
£3.84
£3.20
51+
£3.66
£3.05
101+
£3.44
£2.87
In stock
2
£4.18
£3.48
£4.00
£3.33
£3.84
£3.20
£3.66
£3.05
£3.44
£2.87
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M4 x 16
1+
£4.37
£3.64
11+
£4.20
£3.50
26+
£4.03
£3.36
51+
£3.85
£3.21
101+
£3.67
£3.06
In stock
2
£4.37
£3.64
£4.20
£3.50
£4.03
£3.36
£3.85
£3.21
£3.67
£3.06
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M4 x 20
1+
£4.80
£4.00
11+
£4.63
£3.86
26+
£4.45
£3.71
51+
£4.28
£3.57
101+
£4.09
£3.41
In stock
2
£4.80
£4.00
£4.63
£3.86
£4.45
£3.71
£4.28
£3.57
£4.09
£3.41
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M4 x 25
1+
£5.57
£4.64
11+
£5.32
£4.43
26+
£5.06
£4.22
51+
£4.80
£4.00
101+
£4.54
£3.78
In stock
2
£5.57
£4.64
£5.32
£4.43
£5.06
£4.22
£4.80
£4.00
£4.54
£3.78
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M5 x 6
1+
£5.93
£4.94
11+
£5.68
£4.73
26+
£5.41
£4.51
51+
£5.15
£4.29
101+
£4.87
£4.06
In stock
2
£5.93
£4.94
£5.68
£4.73
£5.41
£4.51
£5.15
£4.29
£4.87
£4.06
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M5 x 10
1+
£5.98
£4.98
11+
£5.65
£4.71
26+
£5.35
£4.46
51+
£5.06
£4.22
101+
£4.78
£3.98
In stock
2
£5.98
£4.98
£5.65
£4.71
£5.35
£4.46
£5.06
£4.22
£4.78
£3.98
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M5 x 12
1+
£6.22
£5.18
11+
£5.92
£4.93
26+
£5.64
£4.70
51+
£5.34
£4.45
101+
£5.02
£4.18
In stock
2
£6.22
£5.18
£5.92
£4.93
£5.64
£4.70
£5.34
£4.45
£5.02
£4.18
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M5 x 16
1+
£6.70
£5.58
11+
£6.38
£5.32
26+
£6.07
£5.06
51+
£5.78
£4.82
101+
£5.47
£4.56
In stock
2
£6.70
£5.58
£6.38
£5.32
£6.07
£5.06
£5.78
£4.82
£5.47
£4.56
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M5 x 20
1+
£7.42
£6.18
11+
£7.09
£5.91
26+
£6.78
£5.65
51+
£6.46
£5.38
101+
£6.12
£5.10
In stock
2
£7.42
£6.18
£7.09
£5.91
£6.78
£5.65
£6.46
£5.38
£6.12
£5.10
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M5 x 25
1+
£7.58
£6.32
11+
£7.24
£6.03
26+
£6.86
£5.72
51+
£6.52
£5.43
101+
£6.12
£5.10
In stock
2
£7.58
£6.32
£7.24
£6.03
£6.86
£5.72
£6.52
£5.43
£6.12
£5.10
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M5 x 30
1+
£8.30
£6.92
11+
£7.96
£6.63
26+
£7.60
£6.33
51+
£7.21
£6.01
101+
£6.85
£5.71
In stock
2
£8.30
£6.92
£7.96
£6.63
£7.60
£6.33
£7.21
£6.01
£6.85
£5.71
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M6 x 10
1+
£9.76
£8.13
11+
£9.34
£7.78
26+
£8.93
£7.44
51+
£8.47
£7.06
101+
£8.06
£6.72
In stock
2
£9.76
£8.13
£9.34
£7.78
£8.93
£7.44
£8.47
£7.06
£8.06
£6.72
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M6 x 12
1+
£9.60
£8.00
11+
£9.17
£7.64
26+
£8.71
£7.26
51+
£8.28
£6.90
101+
£7.81
£6.51
In stock
2
£9.60
£8.00
£9.17
£7.64
£8.71
£7.26
£8.28
£6.90
£7.81
£6.51
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M6 x 16
1+
£9.84
£8.20
11+
£9.38
£7.82
26+
£8.94
£7.45
51+
£8.47
£7.06
101+
£8.04
£6.70
In stock
2
£9.84
£8.20
£9.38
£7.82
£8.94
£7.45
£8.47
£7.06
£8.04
£6.70
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M6 x 20
1+
£10.15
£8.46
11+
£9.70
£8.08
26+
£9.26
£7.72
51+
£8.80
£7.33
101+
£8.32
£6.93
In stock
2
£10.15
£8.46
£9.70
£8.08
£9.26
£7.72
£8.80
£7.33
£8.32
£6.93
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M6 x 30
1+
£16.63
£13.86
11+
£15.85
£13.21
26+
£15.07
£12.56
51+
£14.30
£11.92
101+
£13.52
£11.27
In stock
2
£16.63
£13.86
£15.85
£13.21
£15.07
£12.56
£14.30
£11.92
£13.52
£11.27
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M8 x 16
1+
£14.64
£12.20
11+
£13.92
£11.60
26+
£13.21
£11.01
51+
£12.48
£10.40
101+
£11.71
£9.76
In stock
2
£14.64
£12.20
£13.92
£11.60
£13.21
£11.01
£12.48
£10.40
£11.71
£9.76
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M8 x 20
1+
£15.48
£12.90
11+
£14.71
£12.26
26+
£13.94
£11.62
51+
£13.15
£10.96
101+
£12.38
£10.32
In stock
2
£15.48
£12.90
£14.71
£12.26
£13.94
£11.62
£13.15
£10.96
£12.38
£10.32
0
£0.00
£0.00
A1 Stainless Steel Knurled Thumb Screws - M8 x 25
1+
£16.66
£13.88
11+
£15.82
£13.18
26+
£14.98
£12.48
51+
£14.15
£11.79
101+
£13.31
£11.09
In stock