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Part numbers A31

BS A31, A35, A39, A43 BA CHEESE HEAD SCREWS

To order call +44 (0)208 504 8833

SIZEA31 MILD STEEL CADMIUMA35 STAINLESS STEEL SELF COLOURA39 ALUMINIUM ALLOY ANODISEDA43 BRASS ELECTRO TINNED
“12BA X 3/32″””A31-X3A35-X3A39-X3A43-X3
“12BA X 1/8″””A31-X4A35-X4A39-X4A43-X4
“12BA X 5/32″””A31-X5A35-X5A39-X5A43-X5
“12BA X 3/16″””A31-X6A35-X6A39-X6A43-X6
“12BA X 7/32″””A31-X7A35-X7A39-X7A43-X7
“12BA X 1/4″””A31-X8A35-X8A39-X8A43-X8
“12BA X 9/32″””A31-X9A35-X9A39-X9A43-X9
“12BA X 5/16″””A31-X10A35-X10A39-X10A43-X10
“12BA X 11/32″””A31-X11A35-X11A39-X11A43-X11
“12BA X 3/8″””A31-X12A35-X12A39-X12A43-X12
“12BA X 13/32″””A31-X13A35-X13A39-X13A43-X13
“12BA X 7/16″””A31-X14A35-X14A39-X14A43-X14
“12BA X 15/32″””A31-X15A35-X15A39-X15A43-X15
“12BA X 1/2″””A31-X16A35-X16A39-X16A43-X16
“10BA X 3/32″””A31-Y3A35-Y3A39-Y3A43-Y3
“10BA X 1/8″””A31-Y4A35-Y4A39-Y4A43-Y4
“10BA X 5/32″””A31-Y5A35-Y5A39-Y5A43-Y5
“10BA X 3/16″””A31-Y6A35-Y6A39-Y6A43-Y6
“10BA X 7/32″””A31-Y7A35-Y7A39-Y7A43-Y7
“10BX X 1/4″””A31-Y8A35-Y8A39-Y8A43-Y8
“10BA X 9/32″””A31-Y9A35-Y9A39-Y9A43-Y9
“10BA X 5/16″””A31-Y10A35-Y10A39-Y10A43-Y10
“10BA X 11/32″””A31-Y11A35-Y11A39-Y11A43-Y11
“10BA X 3/8″””A31-Y12A35-Y12A39-Y12A43-Y12
“10BA X 13/32″””A31-Y13A35-Y13A39-Y13A43-Y13
“10BA X 7/16″””A31-Y14A35-Y14A39-Y14A43-Y14
“10BA X 15/32″””A31-Y15A35-Y15A39-Y15A43-Y15
“10BA X 1/2″””A31-Y16A35-Y16A39-Y16A43-Y16
“10BA X 17/32″””A31-Y17A35-Y17A39-Y17A43-Y17
“10BA X 9/16″””A31-Y18A35-Y18A39-Y18A43-Y18
“10BA X 19/32″””A31-Y19A35-Y19A39-Y19A43-Y19
“10BA X 5/8″””A31-Y20A35-Y20A39-Y20A43-Y20
“10BA X 21/32″””A31-Y21A35-Y21A39-Y21A43-Y21
“10BA X 11/16″””A31-Y22A35-Y22A39-Y22A43-Y22
“10BA X 23/32″””A31-Y23A35-Y23A39-Y23A43-Y23
“10BA X 3/4″””A31-Y24A35-Y24A39-Y24A43-Y24
“10BA X 25/32″””A31-Y25A35-Y25A39-Y25A43-Y25
“10BA X 13/16″””A31-Y26A35-Y26A39-Y26A43-Y26
“10BA X 27/32″””A31-Y27A35-Y27A39-Y27A43-Y27
“10BA X 7/8″””A31-Y28A35-Y28A39-Y28A43-Y28
“10BA X 29/32″””A31-Y29A35-Y29A39-Y29A43-Y29
“10BA X 15/16″””A31-Y30A35-Y30A39-Y30A43-Y30
“10BA X 31/32″””A31-Y31A35-Y31A39-Y31A43-Y31
“10BA X 1″””A31-Y32A35-Y32A39-Y32A43-Y32
“10BA X 1 1/32″””A31-Y33A35-Y33A39-Y33A43-Y33
“10BA X 1 1/16″””A31-Y34A35-Y34A39-Y34A43-Y34
“10BA X 1 5/32″””A31-Y35A35-Y35A39-Y35A43-Y35
“10BA X 1 1/8″””A31-Y36A35-Y36A39-Y36A43-Y36
“8BA X 3/32″””A31-Z3A35-Z3A39-Z3A43-Z3
“8BA X 1/8″””A31-Z4A35-Z4A39-Z4A43-Z4
“8BA X 5/32″””A31-Z5A35-Z5A39-Z5A43-Z5
“8BA X 3/16″””A31-Z6A35-Z6A39-Z6A43-Z6
“8BA X 7/32″””A31-Z7A35-Z7A39-Z7A43-Z7
“8BA X 1/4″””A31-Z8A35-Z8A39-Z8A43-Z8
“8BA X 9/32″””A31-Z9A35-Z9A39-Z9A43-Z9
“8BA X 5/16″””A31-Z10A35-Z10A39-Z10A43-Z10
“8BA X 11/32″””A31-Z11A35-Z11A39-Z11A43-Z11
“8BA X 3/8″””A31-Z12A35-Z12A39-Z12A43-Z12
“8BA X 13/32″””A31-Z13A35-Z13A39-Z13A43-Z13
“8BA X 7/16″””A31-Z14A35-Z14A39-Z14A43-Z14
“8BA X 15/32″””A31-Z15A35-Z15A39-Z15A43-Z15
“8BA X 1/2″””A31-Z16A35-Z16A39-Z16A43-Z16
“8BA X 17/32″””A31-Z17A35-Z17A39-Z17A43-Z17
“8BA X 9/16″””A31-Z18A35-Z18A39-Z18A43-Z18
“8BA X 19/32″””A31-Z19A35-Z19A39-Z19A43-Z19
“8BA X 5/8″””A31-Z20A35-Z20A39-Z20A43-Z20
“8BA X 21/32″””A31-Z21A35-Z21A39-Z21A43-Z21
“8BA X 11/16″””A31-Z22A35-Z22A39-Z22A43-Z22
“8BA X 23/32″””A31-Z23A35-Z23A39-Z23A43-Z23
“8BA X 3/4″””A31-Z24A35-Z24A39-Z24A43-Z24
“8BA X 25/32″””A31-Z25A35-Z25A39-Z25A43-Z25
“8BA X 13/16″””A31-Z26A35-Z26A39-Z26A43-Z26
“8BA X 27/32″””A31-Z27A35-Z27A39-Z27A43-Z27
“8BA X 7/8″””A31-Z28A35-Z28A39-Z28A43-Z28
“8BA X 29/32″””A31-Z29A35-Z29A39-Z29A43-Z29
“8BA X 15/16″””A31-Z30A35-Z30A39-Z30A43-Z30
“8BA X 31/32″””A31-Z31A35-Z31A39-Z31A43-Z31
“8BA X 1″””A31-Z32A35-Z32A39-Z32A43-Z32
“8BA X 1 1/32″””A31-Z33A35-Z33A39-Z33A43-Z33
“8BA X 1 1/16″””A31-Z34A35-Z34A39-Z34A43-Z34
“8BA X 1 3/32″””A31-Z35A35-Z35A39-Z35A43-Z35
“8BA X 1 1/8″””A31-Z36A35-Z36A39-Z36A43-Z36
“6BA X 3/32″””A31-A3A35-A3A39-A3A43-A3
“6BA X 1/8″””A31-A4A35-A4A39-A4A43-A4
“6BA X 5/32″””A31-A5A35-A5A39-A5A43-A5
“6BA X 3/16″””A31-A6A35-A6A39-A6A43-A6
“6BA X 7/32″””A31-A7A35-A7A39-A7A43-A7
“6BA X 1/4″””A31-A8A35-A8A39-A8A43-A8
“6BA X 9/32″””A31-A9A35-A9A39-A9A43-A9
“6BA X 5/16″””A31-A10A35-A10A39-A10A43-A10
“6BA X 11/32″””A31-A11A35-A11A39-A11A43-A11
“6BA X 3/8″””A31-A12A35-A12A39-A12A43-A12
“6BA X 13/32″””A31-A13A35-A13A39-A13A43-A13
“6BA X 7/16″””A31-A14A35-A14A39-A14A43-A14
“6BA X 15/32″””A31-A15A35-A15A39-A15A43-A15
“6BA X 1/2″””A31-A16A35-A16A39-A16A43-A16
“6BA X 17/32″””A31-A17A35-A17A39-A17A43-A17
“6BA X 9/16″””A31-A18A35-A18A39-A18A43-A18
“6BA X 19/32″””A31-A19A35-A19A39-A19A43-A19
“6BA X 5/8″””A31-A20A35-A20A39-A20A43-A20
“6BA X 21/32″””A31-A21A35-A21A39-A21A43-A21
“6BA X 11/16″””A31-A22A35-A22A39-A22A43-A22
“6BA X 23/32″””A31-A23A35-A23A39-A23A43-A23
“6BA X 3/4″””A31-A24A35-A24A39-A24A43-A24
“6BA X 25/32″””A31-A25A35-A25A39-A25A43-A25
“6BA X 13/16″””A31-A26A35-A26A39-A26A43-A26
“6BA X 27/32″””A31-A27A35-A27A39-A27A43-A27
“6BA X 7/8″””A31-A28A35-A28A39-A28A43-A28
“6BA X 29/32″””A31-A29A35-A29A39-A29A43-A29
“6BA X 15/16″””A31-A30A35-A30A39-A30A43-A30
“6BA X 31/32″””A31-A31A35-A31A39-A31A43-A31
“6BA X 1″””A31-A32A35-A32A39-A32A43-A32
“6BA X 1 1/32″””A31-A33A35-A33A39-A33A43-A33
“6BA X 1 1/16″””A31-A34A35-A34A39-A34A43-A34
“6BA X 1 3/32″””A31-A35A35-A35A39-A35A43-A35
“6BA X 1 1/8″””A31-A36A35-A36A39-A36A43-A36
“6BA X 1 5/32″””A31-A37A35-A37A39-A37A43-A37
“6BA X 1 3/16″””A31-A38A35-A38A39-A38A43-A38
“6BA X 1 7/32″””A31-A39A35-A39A39-A39A43-A39
“6BA X 1 1/4″””A31-A40A35-A40A39-A40A43-A40
“6BA X 1 9/32″””A31-A41A35-A41A39-A41A43-A41
“6BA X 5/16″””A31-A42A35-A42A39-A42A43-A42
“6BA X 1 11/32″””A31-A43A35-A43A39-A43A43-A43
“6BA X 1 3/8″””A31-A44A35-A44A39-A44A43-A44
“6BA X 1 13/32″””A31-A45A35-A45A39-A45A43-A45
“6BA X 1 7/16″””A31-A46A35-A46A39-A46A43-A46
“6BA X 1 15/32″””A31-A47A35-A47A39-A47A43-A47
“6BA X 1 1/2″””A31-A48A35-A48A39-A48A43-A48
“6BA X 1 17/32″””A31-A49A35-A49A39-A49A43-A49
“6BA X 1 9/16″””A31-A50A35-A50A39-A50A43-A50
“6BA X 1 19/32″””A31-A51A35-A51A39-A51A43-A51
“6BA X 1 5/8″””A31-A52A35-A52A39-A52A43-A52
“6BA X 1 21/32″””A31-A53A35-A53A39-A53A43-A53
“6BA X 1 11/16″””A31-A54A35-A54A39-A54A43-A54
“6BA X 1 23/32″””A31-A55A35-A55A39-A55A43-A55
“6BA X 1 3/4″””A31-A56A35-A56A39-A56A43-A56
“4BA X 5/32″””A31-B5A35-B5A39-B5A43-B5
“4BA X 3/16″””A31-B6A35-B6A39-B6A43-B6
“4BA X 7/32″””A31-B7A35-B7A39-B7A43-B7
“4BA X 1/4″””A31-B8A35-B8A39-B8A43-B8
“4BA X 9/32″””A31-B9A35-B9A39-B9A43-B9
“4BA X 5/16″””A31-B10A35-B10A39-B10A43-B10
“4BA X 11/32″””A31-B11A35-B11A39-B11A43-B11
“4BA X 3/8″””A31-B12A35-B12A39-B12A43-B12
“4BA X 13/32″””A31-B13A35-B13A39-B13A43-B13
“4BA X 7/16″””A31-B14A35-B14A39-B14A43-B14
“4BA X 15/32″””A31-B15A35-B15A39-B15A43-B15
“4BA X 1/2″””A31-B16A35-B16A39-B16A43-B16
“4BA X 17/32″””A31-B17A35-B17A39-B17A43-B17
“4BA X 9/16″””A31-B18A35-B18A39-B18A43-B18
“4BA X 19/32″””A31-B19A35-B19A39-B19A43-B19
“4BA X 5/8″””A31-B20A35-B20A39-B20A43-B20
“4BA X 21/32″””A31-B21A35-B21A39-B21A43-B21
“4BA X 11/16″””A31-B22A35-B22A39-B22A43-B22
“4BA X 23/32″””A31-B23A35-B23A39-B23A43-B23
“4BA X 3/4″””A31-B24A35-B24A39-B24A43-B24
“4BA X 25/32″””A31-B25A35-B25A39-B25A43-B25
“4BA X 13/16″””A31-B26A35-B26A39-B26A43-B26
“4BA X 27/32″””A31-B27A35-B27A39-B27A43-B27
“4BA X 7/8″””A31-B28A35-B28A39-B28A43-B28
“4BA X 29/32″””A31-B29A35-B29A39-B29A43-B29
“4BA X 15/16″””A31-B30A35-B30A39-B30A43-B30
“4BA X 31/32″””A31-B31A35-B31A39-B31A43-B31
“4BA X 1″””A31-B32A35-B32A39-B32A43-B32
“4BA X 1 1/32″””A31-B33A35-B33A39-B33A43-B33
“4BA X 1 1/16″””A31-B34A35-B34A39-B34A43-B34
“4BA X 1 3/32″””A31-B35A35-B35A39-B35A43-B35
“4BA X 1 1/8″””A31-B36A35-B36A39-B36A43-B36
“4BA X 1 5/32″””A31-B37A35-B37A39-B37A43-B37
“4BA X 1 3/16″””A31-B38A35-B38A39-B38A43-B38
“4BA X 1 7/32″””A31-B39A35-B39A39-B39A43-B39
“4BA X 1 1/4″””A31-B40A35-B40A39-B40A43-B40
“4BA X 1 9/32″””A31-B41A35-B41A39-B41A43-B41
“4BA X 5/16″””A31-B42A35-B42A39-B42A43-B42
“4BA X 1 11/32″””A31-B43A35-B43A39-B43A43-B43
“4BA X 1 3/8″””A31-B44A35-B44A39-B44A43-B44
“4BA X 1 13/32″””A31-B45A35-B45A39-B45A43-B45
“4BA X 1 7/16″””A31-B46A35-B46A39-B46A43-B46
“4BA X 1 15/32″””A31-B47A35-B47A39-B47A43-B47
“4BA X 1 1/2″””A31-B48A35-B48A39-B48A43-B48
“4BA X 1 17/32″””A31-B49A35-B49A39-B49A43-B49
“4BA X 1 9/16″””A31-B50A35-B50A39-B50A43-B50
“4BA X 1 19/32″””A31-B51A35-B51A39-B51A43-B51
“4BA X 1 5/8″””A31-B52A35-B52A39-B52A43-B52
“4BA X 1 21/32″””A31-B53A35-B53A39-B53A43-B53
“4BA X 1 11/16″””A31-B54A35-B54A39-B54A43-B54
“4BA X 1 23/32″””A31-B55A35-B55A39-B55A43-B55
“4BA X 1 3/4″””A31-B56A35-B56A39-B56A43-B56
“2BA X 3/16″””A31-C6A35-C6A39-C6A43-C6
“2BA X 7/32″””A31-C7A35-C7A39-C7A43-C7
“2BA X 1/4″””A31-C8A35-C8A39-C8A43-C8
“2BA X 9/32″””A31-C9A35-C9A39-C9A43-C9
“2BA X 5/16″””A31-C10A35-C10A39-C10A43-C10
“2BA X 11/32″””A31-C11A35-C11A39-C11A43-C11
“2BA X 3/8″””A31-C12A35-C12A39-C12A43-C12
“2BA X 13/32″””A31-C13A35-C13A39-C13A43-C13
“2BA X 7/16″””A31-C14A35-C14A39-C14A43-C14
“2BA X 15/32″””A31-C15A35-C15A39-C15A43-C15
“2BA X 1/2″””A31-C16A35-C16A39-C16A43-C16
“2BA X 17/32″””A31-C17A35-C17A39-C17A43-C17
“2BA X 9/16″””A31-C18A35-C18A39-C18A43-C18
“2BA X 19/32″””A31-C19A35-C19A39-C19A43-C19
“2BA X 5/8″””A31-C20A35-C20A39-C20A43-C20
“2BA X 21/32″””A31-C21A35-C21A39-C21A43-C21
“2BA X 11/16″””A31-C22A35-C22A39-C22A43-C22
“2BA X 23/32″””A31-C23A35-C23A39-C23A43-C23
“2BA X 3/4″””A31-C24A35-C24A39-C24A43-C24
“2BA X 25/32″””A31-C25A35-C25A39-C25A43-C25
“2BA X 13/16″””A31-C26A35-C26A39-C26A43-C26
“2BA X 27/32″””A31-C27A35-C27A39-C27A43-C27
“2BA X 7/8″””A31-C28A35-C28A39-C28A43-C28
“2BA X 29/32″””A31-C29A35-C29A39-C29A43-C29
“2BA X 15/16″””A31-C30A35-C30A39-C30A43-C30
“2BA X 31/32″””A31-C31A35-C31A39-C31A43-C31
“2BA X 1″””A31-C32A35-C32A39-C32A43-C32
“2BA X 1 1/32″””A31-C33A35-C33A39-C33A43-C33
“2BA X 1 1/16″””A31-C34A35-C34A39-C34A43-C34
“2BA X 1 3/32″””A31-C35A35-C35A39-C35A43-C35
“2BA X 1 1/8″””A31-C36A35-C36A39-C36A43-C36
“2BA X 1 5/32″””A31-C37A35-C37A39-C37A43-C37
“2BA X 1 3/16″””A31-C38A35-C38A39-C38A43-C38
“2BA X 1 7/32″””A31-C39A35-C39A39-C39A43-C39
“2BA X 1 1/4″””A31-C40A35-C40A39-C40A43-C40
“2BA X 1 9/32″””A31-C41A35-C41A39-C41A43-C41
“2BA X 5/16″””A31-C42A35-C42A39-C42A43-C42
“2BA X 1 11/32″””A31-C43A35-C43A39-C43A43-C43
“2BA X 1 3/8″””A31-C44A35-C44A39-C44A43-C44
“2BA X 1 13/32″””A31-C45A35-C45A39-C45A43-C45
“2BA X 1 7/16″””A31-C46A35-C46A39-C46A43-C46
“2BA X 1 15/32″””A31-C47A35-C47A39-C47A43-C47
“2BA X 1 1/2″””A31-C48A35-C48A39-C48A43-C48
“2BA X 1 17/32″””A31-C49A35-C49A39-C49A43-C49
“2BA X 1 9/16″””A31-C50A35-C50A39-C50A43-C50
“2BA X 1 19/32″””A31-C51A35-C51A39-C51A43-C51
“2BA X 1 5/8″””A31-C52A35-C52A39-C52A43-C52
“2BA X 1 21/32″””A31-C53A35-C53A39-C53A43-C53
“2BA X 1 11/16″””A31-C54A35-C54A39-C54A43-C54
“2BA X 1 23/32″””A31-C55A35-C55A39-C55A43-C55
“2BA X 1 3/4″””A31-C56A35-C56A39-C56A43-C56
Whether you need a hundred, a thousand, or a million, we are the established UK source for aerospace-quality fasteners.
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+44 (0)208 504 8833

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