Images are examples, some edited with AI. The technical data are authoritative. AI notice

Micro-Bit Internal Hexagon 4.0 mm / 5/32", 28 mm, Style C4 - Wiha 40621

Wiha ✓ Original product Brand new Made in Vietnam

The Wiha Micro-Bit 40621 features a 4.0 mm internal hexagon (5/32") and a total length of 28 mm, covering both metric and inch fastener standards. Made from through-hardened chrome-vanadium steel, it delivers consistent torque transfer in precision applications. The 4 mm C4 hex shank fits standard micro bit holders.

Net
€1.48
excl. VAT
Item WH-40621
Manufacturer no. 70034040
Minimum order quantity: 10 pieces. This item is supplied in multiples of 10.
Question about this item
  • Specialist dealer since 2009
  • Invoice payment for regular customers
  • Worldwide shipping
  • Technical questions clarified with the manufacturer

Description

The Wiha Micro-Bit 40621 handles both metric 4.0 mm and inch 5/32" internal hexagon screws, making it versatile in mixed-standard workshop settings. Through-hardened chrome-vanadium steel maintains dimensional stability under repeated use.

Benefits

  • 4.0 mm / 5/32" internal hexagon - metric and inch compatible
  • Through-hardened chrome-vanadium steel for extended service life
  • 28 mm overall length for confined spaces
  • 4 mm hex shank Style C4 - universally compatible
  • Certified to DIN 3126, ISO 1173, DIN ISO 2351-3

Applications

Suited for particularly small screws in precision mechanics, electronics assembly, and instrument manufacturing.

Technical data

Internal hexagon4.0 mm / 5/32"
Overall length28 mm
ShankHexagon 4 mm, Style C4
Product dimensions28 x 5 x 4 mm (L x W x D)
MaterialChrome-vanadium steel, through hardened
StandardsDIN 3126, ISO 1173, DIN ISO 2351-3
Weight0.003 kg
ManufacturerWiha
Manufacturer Nr.70034040
EAN4010995406219
HS-Code82079030
GPSR manufacturer informationWiha Werkzeuge GmbH Obertalstraße 3-7 DE-78136 Schonach www.wiha.com
Condition of articleNew
Article authenticityOriginal product
Country of ManufactureVietnam
ESD versionTEC
NormDIN 3126, DIN ISO 2351-3, ISO 1173

Downloads

Accessories

Questions about this item

Any other question?

Send us the item number and your question. We clarify technical details directly with the manufacturer and usually reply on the next working day.

Customers Who Bought This Item Also Bought