M4 Screws

M4 Screws Selection

M4 machine screws are precision fasteners used for light mechanical assembly, electrical fittings, and general construction where a smaller diameter fixing is required. M4 refers to the 4mm shank diameter with a 0.70mm metric coarse thread, ensuring compatibility with standard nuts, washers, and threaded holes.

Available in both Countersunk and Pan Head styles, M4 machine screws provide reliable performance across a wide range of applications. Finishes include Bright Zinc Plate for general use, and Stainless Steel 304 and 316 for enhanced corrosion resistance in demanding or outdoor environments.

Available in trade boxes and bulk cartons for volume users, all M4 machine screws are stocked in multiple lengths and ready for immediate despatch across Australia. Scrooz offers free shipping Australia wide on all orders $99 and over.
 

M4 Screws Features:

  • 4mm diameter with 0.70mm coarse metric thread
  • Countersunk and Pan Head options for versatile use
  • Finishes include Bright Zinc Plate, Stainless Steel 304 and 316
  • Suitable for mechanical, electrical, and construction projects
  • Fully stocked range ready for fast delivery
     

M4 Screw Dimensions

All our M4 screws feature a metric coarse thread at 0.70mm pitch. They fit all our corresponding diameter nuts and washers. M4 is in reference to the diameter of the shank at 4mm.

 


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M4 x 6mm Machine screws CSK 304 Box 100
ON SALE
CASH OFF PROMO
304

now only $12.07

M4 x 8mm Machine Screws CSK Zinc Box 100
ON SALE
CASH OFF PROMO
BZP

now only $6.90

M4 x 12mm Machine screws CSK 304 Box 100
ON SALE
CASH OFF PROMO
304

now only $14.35

M4 x 12mm Machine screws CSK 304 Carton 1000
ON SALE
CASH OFF PROMO
304
WAS $139.68 SAVE $29.37

now only $110.31

M4 x 12mm Machine Screws CSK Zinc Box 100
ON SALE
CASH OFF PROMO
BZP

now only $8.55

M4 x 12mm Machine Screws CSK Zinc Ctn 1000
ON SALE
CASH OFF PROMO
BZP
WAS $71.19 SAVE $10.38

now only $60.81

M4 x 16mm Machine screws CSK 304 Box 100
ON SALE
CASH OFF PROMO
304

now only $16.72

M4 x 16mm Machine screws CSK 304 Carton 1000
ON SALE
CASH OFF PROMO
304
WAS $164.24 SAVE $34.08

now only $130.16

M4 x 16mm Machine Screws CSK Zinc Box 100
ON SALE
CASH OFF PROMO
BZP

now only $8.55

M4 x 16mm Machine Screws CSK Zinc Ctn 1000
ON SALE
CASH OFF PROMO
BZP
WAS $71.19 SAVE $10.38

now only $60.81

M4 x 20mm Machine screws CSK 304 Box 100
ON SALE
CASH OFF PROMO
304

now only $21.34

M4 x 20mm Machine screws CSK 304 Carton 1000
ON SALE
CASH OFF PROMO
304
WAS $212.74 SAVE $43.61

now only $169.13

M4 x 20mm Machine Screws CSK Zinc Box 100
ON SALE
CASH OFF PROMO
BZP

now only $8.55

M4 x 20mm Machine Screws CSK Zinc Ctn 1000
ON SALE
CASH OFF PROMO
BZP
WAS $71.19 SAVE $10.38

now only $60.81

M4 x 25mm Machine screws CSK 304 Box 100
ON SALE
CASH OFF PROMO
304

now only $25.98

M4 x 25mm Machine screws CSK 304 Carton 1000
ON SALE
CASH OFF PROMO
304
WAS $261.87 SAVE $52.82

now only $209.05

M4 x 25mm Machine Screws CSK Zinc Box 100
ON SALE
CASH OFF PROMO
BZP

now only $9.41

M4 x 25mm Machine Screws CSK Zinc Ctn 1000
ON SALE
CASH OFF PROMO
BZP
WAS $80.40 SAVE $11.62

now only $68.78

M4 x 30mm Machine screws CSK 304 Box 100
ON SALE
CASH OFF PROMO
304

now only $28.19

M4 x 30mm Machine screws CSK 304 Carton 1000
ON SALE
CASH OFF PROMO
304
WAS $285.89 SAVE $57.60

now only $228.29

M4 x 30mm Machine Screws CSK Zinc Box 100
ON SALE
CASH OFF PROMO
BZP

now only $10.73

M4 x 30mm Machine Screws CSK Zinc Ctn 1000
ON SALE
CASH OFF PROMO
BZP
WAS $93.69 SAVE $13.54

now only $80.15

M4 x 40mm Machine screws CSK 304 Box 100
ON SALE
CASH OFF PROMO
304

now only $35.24

M4 x 40mm Machine screws CSK 304 Carton 500
ON SALE
CASH OFF PROMO
304
WAS $183.17 SAVE $37.67

now only $145.50