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Products / Fasteners / Machine Screws / Countersunk Head Slotted

Machine Screw, Countersunk Head Slotted, BS 57, BA, Mild Steel Grade 4.8, Zinc Plated

Machine Screw, Countersunk Head Slotted, BS 57, BA, Mild Steel Grade 4.8, Zinc Plated

A countersunk machine screw is fastened into a tapped hole with a nut  
Fastener is flush with surface

Material Grade 4.8
Finish Zinc
Thread BA

These products comply with the following standards:

BS 57:1951 Specification. B.A. screws bolts and nuts
154 options available
Option
Product Code
Price (GBP)
Price per
Available
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Hover 'In stock' or 'Out of stock' in available column to find out more information
Option
Product Code
Price (GBP)
Price per
Available
Buy
0BA x 1/4"
1227.BA0.0025
POA
1
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0BA x 5/16"
1227.BA0.0032
POA
1
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0BA x 3/8"
1227.BA0.0038
POA
1
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0BA x 1/2"
1227.BA0.0050
POA
1
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0BA x 5/8"
1227.BA0.0063
POA
1
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0BA x 11/16"
1227.BA0.0069
POA
1
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0BA x 3/4"
1227.BA0.0075
POA
1
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0BA x 7/8"
1227.BA0.0088
POA
1
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0BA x 1"
1227.BA0.0100
POA
1
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0BA x 1 1/8"
1227.BA0.0113
POA
1
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0BA x 1 1/4"
1227.BA0.0125
POA
1
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0BA x 1 3/8"
1227.BA0.0138
POA
1
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0BA x 1 1/2"
1227.BA0.0150
POA
1
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0BA x 1 9/16"
1227.BA0.0156
POA
1
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0BA x 1 3/4"
1227.BA0.0175
POA
1
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0BA x 1 7/8"
1227.BA0.0188
POA
1
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0BA x 2"
1227.BA0.0200
POA
1
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0BA x 2 1/2"
1227.BA0.0250
POA
1
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0BA x 2 3/4"
1227.BA0.0275
POA
1
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0BA x 3"
1227.BA0.0300
POA
1
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0BA x 3 1/4"
1227.BA0.0325
POA
1
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0BA x 4"
1227.BA0.0400
POA
1
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1BA x 3/8"
1227.BA1.0038
POA
1
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1BA x 1/2"
1227.BA1.0050
POA
1
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1BA x 3/4"
1227.BA1.0075
POA
1
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1BA x 1"
1227.BA1.0100
POA
1
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1BA x 1 1/4"
1227.BA1.0125
POA
1
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1BA x 1 1/2"
1227.BA1.0150
POA
1
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1BA x 1 5/8"
1227.BA1.0163
POA
1
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1BA x 1 3/4"
1227.BA1.0175
POA
1
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1BA x 2"
1227.BA1.0200
POA
1
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2BA x 3/16"
1227.BA2.0019
POA
1
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2BA x 1/4"
1227.BA2.0025
POA
1
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2BA x 5/16"
1227.BA2.0032
POA
1
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2BA x 3/8"
1227.BA2.0038
POA
1
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2BA x 7/16"
1227.BA2.0044
POA
1
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2BA x 1/2"
1227.BA2.0050
POA
1
In stock (90)
Enquire
2BA x 9/16"
1227.BA2.0056
POA
1
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2BA x 5/8"
1227.BA2.0063
POA
1
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2BA x 11/16"
1227.BA2.0069
POA
1
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2BA x 3/4"
1227.BA2.0075
POA
1
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2BA x 7/8"
1227.BA2.0088
POA
1
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2BA x 1"
1227.BA2.0100
POA
1
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2BA x 1 1/8"
1227.BA2.0113
POA
1
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2BA x 1 1/4"
1227.BA2.0125
POA
1
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2BA x 1 5/16"
1227.BA2.0132
POA
1
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2BA x 1 3/8"
1227.BA2.0138
POA
1
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2BA x 1 1/2"
1227.BA2.0150
POA
1
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2BA x 1 5/8"
1227.BA2.0163
POA
1
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2BA x 1 3/4"
1227.BA2.0175
POA
1
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2BA x 1 7/8"
1227.BA2.0188
POA
1
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2BA x 2"
1227.BA2.0200
POA
1
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2BA x 2 1/4"
1227.BA2.0225
POA
1
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2BA x 2 1/2"
1227.BA2.0250
POA
1
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2BA x 2 3/4"
1227.BA2.0275
POA
1
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2BA x 3"
1227.BA2.0300
POA
1
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2BA x 3 1/4"
1227.BA2.0325
POA
1
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2BA x 3 1/2"
1227.BA2.0350
POA
1
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3BA x 1/4"
1227.BA3.0025
POA
1
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3BA x 5/16"
1227.BA3.0032
POA
1
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3BA x 1/2"
1227.BA3.0050
POA
1
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3BA x 9/16"
1227.BA3.0056
POA
1
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3BA x 5/8"
1227.BA3.0063
POA
1
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3BA x 3/4"
1227.BA3.0075
POA
1
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3BA x 7/8"
1227.BA3.0088
POA
1
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3BA x 1"
1227.BA3.0100
POA
1
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3BA x 1 1/8"
1227.BA3.0113
POA
1
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3BA x 1 1/4"
1227.BA3.0125
POA
1
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3BA x 1 1/2"
1227.BA3.0150
POA
1
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3BA x 1 3/4"
1227.BA3.0175
POA
1
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3BA x 1 7/8"
1227.BA3.0188
POA
1
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3BA x 2"
1227.BA3.0200
POA
1
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3BA x 2 1/2"
1227.BA3.0250
POA
1
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4BA x 3/16"
1227.BA4.0019
POA
1
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4BA x 1/4"
1227.BA4.0025
POA
1
Out of stock Call us
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4BA x 5/16"
1227.BA4.0032
POA
1
Out of stock Call us
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4BA x 3/8"
1227.BA4.0038
POA
1
Out of stock Call us
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4BA x 7/16"
1227.BA4.0044
POA
1
Out of stock Call us
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4BA x 1/2"
1227.BA4.0050
POA
1
Out of stock Call us
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4BA x 9/16"
1227.BA4.0056
POA
1
Out of stock Call us
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4BA x 5/8"
1227.BA4.0063
POA
1
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4BA x 11/16"
1227.BA4.0069
POA
1
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4BA x 3/4"
1227.BA4.0075
POA
1
Out of stock Call us
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4BA x 7/8"
1227.BA4.0088
POA
1
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4BA x 1"
1227.BA4.0100
POA
1
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4BA x 1 1/8"
1227.BA4.0113
POA
1
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4BA x 1 1/4"
1227.BA4.0125
POA
1
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4BA x 1 5/16"
1227.BA4.0132
POA
1
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4BA x 1 3/8"
1227.BA4.0138
POA
1
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4BA x 1 1/2"
1227.BA4.0150
POA
1
Out of stock Call us
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4BA x 1 9/16"
1227.BA4.0156
POA
1
Out of stock Call us
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4BA x 1 3/4"
1227.BA4.0175
POA
1
Out of stock Call us
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4BA x 1 7/8"
1227.BA4.0188
POA
1
Out of stock Call us
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4BA x 2"
1227.BA4.0200
POA
1
Out of stock Call us
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4BA x 2 1/4"
1227.BA4.0225
POA
1
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4BA x 2 1/2"
1227.BA4.0250
POA
1
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4BA x 3"
1227.BA4.0300
POA
1
Out of stock Call us
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4BA x 3 1/4"
1227.BA4.0325
POA
1
Out of stock Call us
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5BA x 5/32"
1227.BA5.0016
POA
1
Out of stock Call us
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5BA x 3/8"
1227.BA5.0038
POA
1
Out of stock Call us
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5BA x 1/2"
1227.BA5.0050
POA
1
Out of stock Call us
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5BA x 5/8"
1227.BA5.0063
POA
1
Out of stock Call us
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5BA x 3/4"
1227.BA5.0075
POA
1
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5BA x 1"
1227.BA5.0100
POA
1
Out of stock Call us
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5BA x 1 1/4"
1227.BA5.0125
POA
1
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5BA x 1 1/2"
1227.BA5.0150
POA
1
Out of stock Call us
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5BA x 1 3/4"
1227.BA5.0175
POA
1
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5BA x 2"
1227.BA5.0200
POA
1
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5BA x 2 1/2"
1227.BA5.0250
POA
1
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5BA x 3"
1227.BA5.0300
POA
1
Out of stock Call us
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6BA x 1/8"
1227.BA6.0012
POA
1
Out of stock Call us
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6BA x 3/16"
1227.BA6.0019
POA
1
Out of stock Call us
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6BA x 1/4"
1227.BA6.0025
POA
1
Out of stock Call us
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6BA x 5/16"
1227.BA6.0032
POA
1
Out of stock Call us
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6BA x 3/8"
1227.BA6.0038
POA
1
Out of stock Call us
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6BA x 7/16"
1227.BA6.0044
POA
1
Out of stock Call us
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6BA x 1/2"
1227.BA6.0050
POA
1
Out of stock Call us
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6BA x 9/16"
1227.BA6.0056
POA
1
Out of stock Call us
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6BA x 5/8"
1227.BA6.0063
POA
1
Out of stock Call us
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6BA x 11/16"
1227.BA6.0069
POA
1
Out of stock Call us
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6BA x 3/4"
1227.BA6.0075
POA
1
Out of stock Call us
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6BA x 7/8"
1227.BA6.0088
POA
1
Out of stock Call us
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6BA x 1"
1227.BA6.0100
POA
1
Out of stock Call us
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6BA x 1 1/8"
1227.BA6.0113
POA
1
Out of stock Call us
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6BA x 1 1/4"
1227.BA6.0125
POA
1
Out of stock Call us
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6BA x 1 1/2"
1227.BA6.0150
POA
1
Out of stock Call us
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6BA x 1 3/4"
1227.BA6.0175
POA
1
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6BA x 2"
1227.BA6.0200
POA
1
Out of stock Call us
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6BA x 2 1/2"
1227.BA6.0250
POA
1
Out of stock Call us
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7BA x 3/16"
1227.BA7.0019
POA
1
Out of stock Call us
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7BA x 1/4"
1227.BA7.0025
POA
1
Out of stock Call us
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7BA x 5/16"
1227.BA7.0032
POA
1
Out of stock Call us
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7BA x 1"
1227.BA7.0100
POA
1
Out of stock Call us
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7BA x 1 1/2"
1227.BA7.0150
POA
1
Out of stock Call us
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8BA x 3/32"
1227.BA8.0009
POA
1
Out of stock Call us
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8BA x 1/8"
1227.BA8.0012
POA
1
Out of stock Call us
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8BA x 5/32"
1227.BA8.0016
POA
1
Out of stock Call us
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8BA x 3/16"
1227.BA8.0019
POA
1
Out of stock Call us
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8BA x 1/4"
1227.BA8.0025
POA
1
Out of stock Call us
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8BA x 5/16"
1227.BA8.0032
POA
1
Out of stock Call us
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8BA x 3/8"
1227.BA8.0038
POA
1
Out of stock Call us
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8BA x 7/16"
1227.BA8.0044
POA
1
Out of stock Call us
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8BA x 1/2"
1227.BA8.0050
POA
1
Out of stock Call us
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8BA x 9/16"
1227.BA8.0056
POA
1
Out of stock Call us
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8BA x 5/8"
1227.BA8.0063
POA
1
Out of stock Call us
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8BA x 3/4"
1227.BA8.0075
POA
1
Out of stock Call us
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8BA x 7/8"
1227.BA8.0088
POA
1
Out of stock Call us
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8BA x 1"
1227.BA8.0100
POA
1
Out of stock Call us
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8BA x 1 1/4"
1227.BA8.0125
POA
1
Out of stock Call us
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10BA x 1/8"
1227.BA99.0012
POA
1
Out of stock Call us
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10BA x 3/16"
1227.BA99.0019
POA
1
Out of stock Call us
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10BA x 5/16"
1227.BA99.0032
POA
1
Out of stock Call us
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10BA x 3/8"
1227.BA99.0038
POA
1
Out of stock Call us
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10BA x 1/2"
1227.BA99.0050
POA
1
Out of stock Call us
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