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  2. OC Self-drilling screws 4.8x38 mm without washer - cardboard box - 250 pcs.

OC Self-drilling screws 4.8x38 mm without washer - cardboard box - 250 pcs.

Steel

OC-48038

5906675325620

Koelner

The special drill bit shape designed to provide quick and trouble-free installation in metal constructions made from cold formed sections

Define product parameters:

Diameter
Length
Color RAL
Washer
Packaging and quantity
Weight and bulk packaging

  • Unit pack

    250.00 pcs.1.32 kg

  • Bulk pack

    3000.00 pcs.16.18 kg

  • Pallet

    72000.00 pcs.388.44 kg

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Features

The special drill bit shape designed to provide quick and trouble-free installation in metal constructions made from cold formed sections

  • Screws available with a coloured polyester coating (RAL) provide additional corrosion protection and ensure aesthetic matching with roofing or façade cladding. UV stabilisers guarantee long-term colour durability and resistance to fading throughout the service life.
  • The self-vulcanizing EPDM sealing washer is resistant to UV radiation, ageing, and temperature fluctuations. It guarantees long-term watertightness and protects the joint against water ingress.
  • The optimised drill point geometry enables efficient drilling in steel, reducing installation time and increasing assembly efficiency
  • The case-hardened thread ensures high cutting performance and secure anchorage in the substrate, while maintaining a ductile core. This increases resistance to dynamic loads and reduces the risk of screw fracture.

Substrates

Structural steel

Structural steel

Metal sheet & profiles

Metal sheet & profiles

Approved surfaces

Applications

Profiled and cover sheets

Full list of variations

Diameter
Length
Color RAL
Washer
Packaging and quantity
Index
EAN
Catalog price for pack. net

Substitutes

OC Self-drilling screws 4.8x38 mm with washer T14- cardboard box - 250 pcs.

The special drill bit shape designed to provide quick and trouble-free installation in metal constructions made from cold formed sections

OC Self-drilling screws 4.8x38 mm with washer T14- cardboard box - 250 pcs.

The special drill bit shape designed to provide quick and trouble-free installation in metal constructions made from cold formed sections

Installation guide

Installation manual

Installation step by step

1

Using the magnetic attachment, tighten the screw with washer using a screwdriver with adjustable torque.

2

Screw properly tightened.

Installation data

Approvals and publications

Technical library

(8)

Technical assessments(3)

ETA-24/0237 (2024-12-20) - Fastening screws for metal members and sheeting

Fastening screws for metal members and sheeting

Download

KOT-0159/2018

KOT-0159_2018_edition 2

Download

UKTA-22/6370

UKTA-22/6370

Download
Declarations(3)

DoP-24/0237 OC (ETA-24/0237 - Self-drilling screws)

OC - Fastening screws for metal members

Download

KDWU-2018/0159-2

KDWU

Download

UKTA-DoP-22/6370-OC

Download
Certificates(2)

1488-CPR-0752/Z (ETA-24/0237 - Self-drilling screws)

CPR - ETA-24/0237 (2024-12-20) - Fastening screws for metal members and sheeting

Download

020_UWB_0850_Z

UWB

Download

Catalogues and product cards

(2)

Product cards(1)

Product cart

Download
Catalogues(1)

Catalogue

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