Product Overview

ManualsBrandsDewalt ManualsAir Conditioning Installation Parts#12 - 14 x 1-1/2" Alumi-Flex Hex Washer Head Screws (Box of 3000)

SECTION CONTENTS

GENERAL INFORMATION

www.elcoconstruction.com

ANCHOR MATERIALS

• 300 series (18-8) stainless head

DIAMETER

• #10, #12

• 1/4"

DRILL POINT TYPES

• #3, #4

HEAD STYLES

• Hex Washer Head (HWH)

• Undercut Flat Head (PUFH)

FINISH

• Stalgard GB (Galvanic Barrier) coating

ALUMI-FLEX

GENERAL INFORMATION

ALUMI-FLEX

Stainless Steel Self-Drilling Screws

PRODUCT DESCRIPTION

Alumi-Flex structural drill screws are 300 series (18-8) stainless steel self-drilling tapping screws

that are used for fastening to aluminum when corrosion resistance and galvanic reaction are a

primary concern.

GENERAL APPLICATIONS AND USES

• Aluminum-to-aluminum connections

• Attaching miscellaneous building materials to aluminum

FEATURES AND BENEFITS

+ 300 series stainless steel provides a very high level of corrosion resistance

+ Stalgard GB coating provides greater galvanic compatibility in aluminum

+ Head marked with a "3" for easy identiﬁcation

(undercut ﬂat head screws do not have a head marking)

APPROVALS AND LISTINGS

• Tested in accordance with AISI S905

GUIDE SPECIFICATIONS

05 05 23 – Metal Fastenings, 09 22 16.23 – Fasteners. Fasteners shall be Alumi-Flex as supplied

by Elco Construction Products, Towson, MD. Fasteners shall be installed with published instructions

and the Authority Having Jurisdiction.

General Information.........................1

Installation Speciﬁcations ..............1

Performance Data ............................2

Ordering Information ....................... 5

INSTALLATION SPECIFICATIONS

Point Size Selection

Maximum Combined Material Thickness By Point Type

Drilling and Tapping Capacity in Alumnium

(Maximum Material Thickness)

Dia.

Point

Type

.500"

.400"

.300"

.200"

.100"

.175"

.21"

.25"

.3125"

#10 #12 1/4

1/4

#3 #4

Combined Material Thickness

Maximum Recommended

Installation RPM

Diameter RPM

#10

2500

#12

1/4" 1800

Nominal Sheet

Metal Sizes (Aluminum)

Gauge Decimal (in.)

22 0.025

20 0.032

18 0.040

16 0.050

14 0.064

12 0.100

Nominal Screw Sizes

Thread Dia. Decimal (in.)

#10 .190

#12 .216

1/4" .250

300 series stainless steel

Stalgard® GB coating provides a barrier to resist

galvanic corrosion

Identification

The head marking consists of the number

"3" above the ELCO

logo as shown below.

Hex Washer Head

Summary of content (5 pages)

PAGE 1
General Information ALUMI-FLEX® GENERAL INFORMATION SECTION CONTENTS ALUMI-FLEX® General Information.........................1 Installation Specifications...............1 Performance Data.............................2 Ordering Information........................
PAGE 2
PERFORMANCE DATA Fastener Strengths1,2,3,4,5,6,7 Tension (lbf) Description Ultimate ASD LRFD Ultimate ASD LRFD 1,775 2,320 3,195 3,265 590 770 1,065 1,085 885 1,160 1,595 1,630 1,150 1,545 2,120 2,135 380 515 705 710 575 770 1,060 1,065 #10-16 #12-14 1/4"-14 1/4"-20 1. 2. 3. 4. 5. 6. 7. Shear (lbf) Minimum Torsional Strength (in-lbs) 43 73 108 108 ALUMI-FLEX® Performance Data Ultimate strengths are based on laboratory tests. Allowable (ASD) strengths are based on a safety factor, Ω, of 3.
PAGE 3
Performance Data ALUMI-FLEX® Ultimate Tension Pull-Out Capacity of Screw Connections in Aluminum, lbf 1,2 Diameter Point Type #10-16 #12-14 1/4"-14 1/4"-20 #3 #3 #3 #4 Aluminum Thickness: 6061-T6 1/16" 3/32" 1/8" 3/16" 1/4" 5/16" 300 305 340 - 745 750 835 1,055 1,280 1,340 1,450 1,615 2,065 2,805 2,880 2,825 2,880 2,885 1. Ultimate strengths are based on laboratory tests. 2.
PAGE 4
Ultimate Pull-Over Capacity of Screw Connections in Aluminum, lbf 1,2 Minimum Thickness of Aluminum in Contact with Screw Head Diameter #10-16 #12-14 1/4"-14 1/4"-20 Head Styles HWH HWH HWH HWH 1/32" 1/16" 1/8" 6063-T5 6063-T6 6061-T6 6063-T5 6063-T6 6061-T6 6063-T5 6063-T6 6061-T6 225 235 275 275 355 365 430 430 495 510 605 605 505 520 605 605 790 815 945 945 1,105 1,140 1,325 1,325 1,225 1,255 1,425 1,425 1,915 1,960 2,225 2,225 2,680 2,745 3,115 3,115 1.
PAGE 5
Ordering Information ALUMI-FLEX® ORDERING INFORMATION Alumi-Flex Self-Drilling Structural Screws Cat. No. 5 Description (Diameter- TPI x Nominal Length) Point Type Finish EAH430-I EAH445-I EAH460-I #10-16 X 1/2" #10-16 X 3/4" #10-16 X 1" #3 #3 #3 Stalgard GB Stalgard GB Stalgard GB EBM160-I #10 - 16 x 1" #3 Maximum Load-Bearing Length1 (in.) Minimum Protrusion Length2 Nominal Head Diameter3 (in.) Nominal Head Height4 (in.) Qty / Carton 0.400 0.400 0.400 0.140 0.140 0.