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Machine Screws - Slotted Round - BA

A machine screw is a type of screw that is commonly used in industrial and manufacturing applications to secure components within engines, electronic products and general machinery.

This type of machine screw has a round, domed head with a slotted recess that can be installed with a flat-bladed screwdriver or bit. They are available in zinc plated, brass or stainless steel.

They are available with imperial threads only.

About BA Thread

BA thread (British association) is a rarely used thread that was once commonly found on small instruments and models. Still sparingly used in some industries such as metering equipment manufacturing and optical equipment.

Machine Screws - Slotted Round - BA
Guides & Tips

No10 UNF x 1/2

4BA x 5/16" - Machine Screw Pan Head Slotted BS57 - Self Colour - Pack of 25

Code: MSBASPSC04031

No10 UNF x 1/2

£10.20 £12.24

No10 UNF x 1/2

4BA x 5/8" - Machine Screw Pan Head Slotted BS57 - Self Colour - Pack of 25

Code: MSBASPSC04062

No10 UNF x 1/2

£10.28 £12.34

No10 UNF x 1/2

0BA x 3" - Machine Screw Pan Head Slotted BS57 - BZP - Pack of 25

Code: MSBASPZP00300

No10 UNF x 1/2

£16.18 £19.42

No10 UNF x 1/2

5BA x 1/4" - Machine Screw Pan Head Slotted BS57 - BZP - Pack of 25

Code: MSBASPZP05025

No10 UNF x 1/2

£11.86 £14.23

4BA x 3/8

2BA x 5/8" - Machine Screw Round Head Slotted BS 57 - A2 Stainless Steel - Pack of 10

Code: MSBASRA202062

4BA x 3/8

£13.48 £16.18

4BA x 3/8

4BA x 3/8" - Machine Screw Round Head Slotted BS 57 - A2 Stainless Steel - Pack of 10

Code: MSBASRA204037

4BA x 3/8

£19.53 £23.44

4BA x 3/8

4BA x 1/2" - Machine Screw Round Head Slotted BS 57 - A2 Stainless Steel - Pack of 10

Code: MSBASRA204050

4BA x 3/8

£21.87 £26.24

4BA x 3/8

6BA x 1/2" - Machine Screw Round Head Slotted BS 57 - A2 Stainless Steel - Pack of 25

Code: MSBASRA206050

4BA x 3/8

£23.33 £28.00

2BA x 3/8

0BA x 5/8" - Machine Screw Round Head Slotted - Brass - Pack of 25

Code: MSBASRBR00062

2BA x 3/8

£15.94 £19.13

2BA x 3/8

2BA x 3/8" - Machine Screw Round Head Slotted - Brass - Pack of 25

Code: MSBASRBR02037

2BA x 3/8

£11.66 £13.99

2BA x 3/8

4BA x 2 1/2" - Machine Screw Round Head Slotted - Brass - Pack of 5

Code: MSBASRBR04250

2BA x 3/8

£15.27 £18.32

2BA x 3/8

5BA x 3/4" - Machine Screw Round Head Slotted - Brass - Pack of 25

Code: MSBASRBR05075

2BA x 3/8

£16.43 £19.72

2BA x 3/8

8BA x 1/4" - Machine Screw Round Head Slotted - Brass - Pack of 25

Code: MSBASRBR08025

2BA x 3/8

£12.66 £15.19

2BA x 3/8

8BA x 1" - Machine Screw Round Head Slotted - Brass - Pack of 25

Code: MSBASRBR08100

2BA x 3/8

£13.78 £16.54

4BA x 3/8

4BA x 1/4" - Machine Screw Round Head Slotted Chrome - Pack of 10

Code: MSBASRCP04025

4BA x 3/8

£13.73 £16.48

4BA x 3/8

5BA x 3/8" - Machine Screw Round Head Slotted - Nickel Plated - Pack of 25

Code: MSBASRNP05037

4BA x 3/8

£9.88 £11.86

3BA x 3/8

0BA x 1/2" - Machine Screw Round Head Slotted - Self Colour - Pack of 25

Code: MSBASRSC00050

3BA x 3/8

£11.56 £13.87

3BA x 3/8

0BA x 3/4" - Machine Screw Round Head Slotted - Self Colour - Pack of 25

Code: MSBASRSC00075

3BA x 3/8

£11.74 £14.09

3BA x 3/8

3BA x 1" - Machine Screw Round Head Slotted - Self Colour - Pack of 25

Code: MSBASRSC03100

3BA x 3/8

£11.44 £13.73

3BA x 3/8

4BA x 3/16" - Machine Screw Round Head Slotted - Self Colour - Pack of 25

Code: MSBASRSC04018

3BA x 3/8

£11.17 £13.40

3BA x 3/8

4BA x 1/2" - Machine Screw Round Head Slotted BS 57 - Self Colour - Pack of 25

Code: MSBASRSC04050

3BA x 3/8

£11.62 £13.94

3BA x 3/8

5BA x 1/4" - Machine Screw Round Head Slotted - Self Colour - Pack of 25

Code: MSBASRSC05025

3BA x 3/8

£10.34 £12.41

3BA x 3/8

5BA x 1/2" - Machine Screw Round Head Slotted - Self Colour - Pack of 25

Code: MSBASRSC05050

3BA x 3/8

£10.61 £12.73

3BA x 3/8

5BA x 1" - Machine Screw Round Head Slotted BS 57 - Self Colour - Pack of 25

Code: MSBASRSC05100

3BA x 3/8

£14.29 £17.15

3BA x 3/8

6BA x 5/16" - Machine Screw Round Head Slotted BS 57 - Self Colour - Pack of 25

Code: MSBASRSC06031

3BA x 3/8

£11.59 £13.91

3BA x 3/8

6BA x 1/2" - Machine Screw Round Head Slotted BS 57 - Self Colour - Pack of 6

Code: MSBASRSC06050

Only 1 pack left in stock

3BA x 3/8

£3.81 £4.57

3BA x 3/8

6BA x 5/8" - Machine Screw Round Head Slotted BS 57 - Self Colour - Pack of 25

Code: MSBASRSC06062

3BA x 3/8

£11.98 £14.38

3BA x 3/8

6BA x 3/4" - Machine Screw Round Head Slotted BS 57 - Self Colour - Pack of 25

Code: MSBASRSC06075

3BA x 3/8

£11.74 £14.09

3BA x 3/8

6BA x 1" - Machine Screw Round Head Slotted BS 57 - Self Colour - Pack of 25

Code: MSBASRSC06100

3BA x 3/8

£12.15 £14.58

0BA x 3/4

0BA x 3/4" - Machine Screw Round Head Slotted BS 57 - BZP - Pack of 4

Code: MSBASRZP00075

Only 2 packs left in stock

0BA x 3/4

£18.39 £22.07

0BA x 3/4

2BA x 5/16" - Machine Screw Round Head Slotted BS 57 - BZP - Pack of 25

Code: MSBASRZP02031

0BA x 3/4

£16.08 £19.30

0BA x 3/4

3BA x 1/2" - Machine Screw Round Head Slotted - BZP - Pack of 25

Code: MSBASRZP03050

0BA x 3/4

£10.42 £12.50

0BA x 3/4

3BA x 1" - Machine Screw Round Head Slotted - BZP - Pack of 25

Code: MSBASRZP03100

0BA x 3/4

£12.39 £14.87

0BA x 3/4

3BA x 1 1/2" - Machine Screw Round Head Slotted - BZP - Pack of 25

Code: MSBASRZP03150

0BA x 3/4

£14.34 £17.21

0BA x 3/4

4BA x 1/4" - Machine Screw Round Head Slotted - BZP - Pack of 25

Code: MSBASRZP04025

0BA x 3/4

£11.56 £13.87

0BA x 3/4

4BA x 1/2" - Machine Screw Round Head Slotted BS 57 - BZP - Pack of 25

Code: MSBASRZP04050

0BA x 3/4

£11.56 £13.87

0BA x 3/4

4BA x 5/8" - Machine Screw Round Head Slotted BS 57 - BZP - Pack of 25

Code: MSBASRZP04062

0BA x 3/4

£11.62 £13.94

0BA x 3/4

6BA x 1/2" - Machine Screw Round Head Slotted BS 57 - BZP - Pack of 24

Code: MSBASRZP06050

0BA x 3/4

£11.83 £14.20

0BA x 3/4

6BA x 3/4" - Machine Screw Round Head Slotted BS 57 - BZP - Pack of 25

Code: MSBASRZP06075

0BA x 3/4

£11.83 £14.20

0BA x 3/4

6BA x 7/8" - Machine Screw Round Head Slotted BS 57 - BZP - Pack of 25

Code: MSBASRZP06087

0BA x 3/4

£11.72 £14.06

0BA x 3/4

6BA x 1" - Machine Screw Round Head Slotted - BZP - Pack of 25

Code: MSBASRZP06100

0BA x 3/4

£11.86 £14.23

0BA x 3/4

4BA x 1/4" - Machine Screw Round Head Slotted - YBZP - Pack of 25

Code: MSBASRZY04025

0BA x 3/4

£11.49 £13.79