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Black oxide alloy steel socket head cap screw M4-0.70 35 mm length 3 mm drive

Zoro Select

Zoro Select M4C35KCS M4-0.70 Socket Head Cap Screw

SKU CH-HN4Z-A8D1J

Metric M4-0.7 socket-head cap screw in alloy steel with black-oxide finish, 35 mm long and 20 mm thread length

  • TypeScrews & Bolts
  • Metric M4-0.70 thread fits precision assemblies
  • 3 mm socket drive enables hex-key installation
  • 35 mm length with 20 mm thread covers deep holes
  • Black oxide alloy steel resists corrosion
  • ASME B18.3 dimensional standard ensures consistent fit

M4-0.70 Socket Head Cap Screw

The Zoro Select M4C35KCS is a metric socket head cap screw made from alloy steel with a black oxide finish. It uses a 3 mm socket drive and follows ASME B 18.3 dimensional standards. The fastener has a 35 mm overall length and a 7 mm head diameter.

Suits precision assembly and metric hardware kits

Builders needing a partially threaded M4 fastener with a 20 mm minimum thread length will find this screw appropriate. It is not for applications requiring a fully threaded shank, a countersunk head, or a different thread pitch. Buyers who want a flange head or a larger drive size should look at something else.

Simple installation with a 3 mm hex key

The standard socket drive engages cleanly when the key is fully seated, reducing the risk of rounding the recess. What usually goes wrong is using a worn or imperial key that strips the 3 mm socket, or over-torquing the alloy steel beyond the joint capacity.

Highlights

  • Metric M4-0.70 thread fits precision assemblies
  • 3 mm socket drive enables hex-key installation
  • 35 mm length with 20 mm thread covers deep holes
  • Black oxide alloy steel resists corrosion
  • ASME B18.3 dimensional standard ensures consistent fit

Specifications

BrandZORO SELECT
TypeScrews & Bolts

Questions about this item

What hex key size drives the 3 mm socket on this M4-0.70 screw?

A 3 mm hex key fits the socket drive on this M4-0.70 cap screw.

Will the 7 mm head diameter clear the counterbore on my existing fixture?

The head measures 7 mm across, so check your counterbore diameter against that figure.

How do I confirm the thread pitch is 0.70 mm after installation?

Measure the thread spacing with a pitch gauge; it should read 0.70 mm for this M4 screw.

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