Fasteners

Nails

FIRKG

Grooved Nail Wood to Wood - Hot Dip Galvanised

Grooved nails are used in most wood to wood nail assemblies due to high strength in shear.
FIRK-G has application class 3.

Technical Data Sheet

CE Marking

Service class 3

Hot-dip galvanised steel

Outdoor

EPD

Fastener Designer

Product Details

Images

Features

Material

Steel Quality:

C9D or C10D

Corrosion:

Hot-dip galvanized acc. to EN/ISO 1461 with zinc thickness = 55μm

Benefits

Galvanised steel, zinc thickness = min. 50 μm
Approx. 25% higher withdrawal strength compared to round nails
Easy to adjust even if bending has occured during installation

Application

Suitable On

Wood to wood

When to use

truss fixings
Timber assemblies

Technical Data

Dimensions and drill holes

Dimensions

Reference	Fasteners Dimensions
	Item Code	Other				Dimensions[mm]
	Item Code	Tun / DB nr.	NOB nr.	Qty per blister	Weight[kg]	d[mm]	l[mm]	dh[mm]	Ah[mm]	ht[mm]
FIRKG2.3X60-2090	75010	-	-	-	0.002	2.3	60	5.4	22.9	0.8
FIRKG3.1X75-920	75011	-	-	-	0.005	3.1	75	7.3	41.9	1
FIRKG3.4X90-645	75012	-	53292256	-	0.008	3.4	90	7.8	47.8	1
FIRKG3.7X100-490	75013	-	53292260	-	0.011	3.8	100	9	63.6	1.1
FIRKG4.3X125-295	75015	-	-	-	0.017	4.3	125	10.2	81.7	1.2
FIRKG5.1X150-180	75017	-	-	-	0.028	5.1	150	12.2	116.9	1.5
FIRKG5.5X180-130	75019	-	-	-	0.038	5.5	180	13.2	136.8	1.7

* not covered by CE marking

Product characteristic properties

Reference	Nail characteristic parameters
	Characteristic parameters
	Characteristic Yield Moment My,k[Nm]	Characteristic Withdrawal Parameter fax,k,90°[N/mm²]	Characteristic Head Pull-Through Parameter fhead,k[N/mm²]	Characteristic tensile capacity - fₜₑₙₛ,ₖ[kN]
FIRKG2.3X60-2090	1721	2.5	8.6	NPD
FIRKG3.1X75-920	4902	2.5	8.6	NPD
FIRKG3.4X90-645	6989	2.5	8.6	NPD
FIRKG3.7X100-490	11163	2.5	8.6	NPD
FIRKG4.3X125-295	11514	2.5	8.6	NPD
FIRKG5.1X150-180	19890	2.5	8.6	NPD
FIRKG5.5X180-130	24876	2.5	8.6	NPD

Refer to relevant ITTR or ETA for more details

NPD: No performance declared

Certification

Declaration of Performance (DoP)

uk-dop-h13-0009-s4-0.pdf

Show history

2017-11-03

uk-dop-h13-0009-s3-0.pdf

Environmental Product Declarations (EPD)

epd-certificate-sst-nails

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Fasteners

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Product Details

Images

Features

Material

Benefits

Application

Suitable On

When to use

Technical Data

Dimensions and drill holes

Dimensions

Product characteristic properties

Certification

Declaration of Performance (DoP)

Environmental Product Declarations (EPD)

FIRKG2.3X60-2090

FIRKG5.5X180-130

FIRKG4.3X125-295

FIRKG3.1X75-920

FIRKG2.3X60-2090

FIRKG5.5X180-130

FIRKG4.3X125-295

FIRKG3.1X75-920

2D

3D/3D Simplified

About Simpson Strong-Tie®

Simpson Strong-Tie Poland

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