Product Overview

ManualsBrandsDewalt ManualsAir Conditioning Installation Parts1/2" x 4" Screwbolt Hex Head Screw Anchor (Pack of 50)

SECTION CONTENTS

NCHORS & FASTENERS

GENERAL INFORMATION

Mechanical anchors

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

Installation Speciﬁcations (ASD) ...2

Reference Data (ASD) ......................2

Installation Speciﬁcations (SD) .... 12

Strength Design (SD) ..................... 15

Ordering Information ..................... 20

SCREW-BOLT+

HEAD STYLES

• Hex Washer Head or Flat Head

ANCHOR MATERIALS

• Zinc plated carbon steel or

mechanically galvanized plating

ANCHOR SIZE RANGE (TYP.)

• 1/4" diameter through 3/4" diameter

(see ordering information)

SUITABLE BASE MATERIALS

• Normal-weight concrete

• Lightweight concrete

• Concrete over steel deck

• Grouted Concrete Masonry (CMU)

• Brick Masonry

CODE LISTED

ICC-ES ESR-3889

CONCRETE

CODE LISTED

ICC-ES ESR-4042

MASONRY

GENERAL INFORMATION

SCREW-BOLT+

™

High Performance Screw Anchor

PRODUCT DESCRIPTION

The Screw-Bolt+ anchor is a one piece, heavy duty screw anchor with a ﬁnished hex head or ﬂat

head (countersunk). It is simple to install, easy to identify and fully removable. The patented thread

design, designed for use with standard ANSI drill bits, reduces installation torque and enhances

productivity. The steel threads along the anchor body tap into the hole during installation to provide

keyed engagement and allow for reduced edge and spacing distances. The Screw-Bolt+ is

available as bright zinc-plated or mechanically galvanized plating. Suitable base materials include

normal-weight concrete, sand-lightweight concrete, concrete over steel deck, concrete masonry

and solid clay brick.

GENERAL APPLICATIONS AND USES

• Racking, shelving and material handling

• Support ledgers and sill plate attachments

• Barriers, guards and temporary supports

• Glazing and window attachments

• Retroﬁts, repairs and maintenance

• Fencing and railing

• Cracked and uncracked concrete

• Seismic and wind loading

FEATURES AND BENEFITS

+ Designed for standard ANSI tolerance drill bits

+ Patented thread design offers toughened threads for tapping high strength concrete

+ Low installation torque in concrete and masonry

+ Universal product for concrete and grouted/solid masonry

+ Ratchet teeth on underside of hex washer head lock against the ﬁxture

+ Can be installed closer to a free edge than traditional expansion anchors

+ Fully removable and reinstallable in same hole (see www.DEWALT.com)

+ Fast installation with powered impact wrench, but can also be installed manually

+ Diameter, length and identifying marking stamped on head of each anchor

+ One-piece, ﬁnished head design

APPROVALS AND LISTINGS

• International Code Council, Evaluation Service (ICC-ES), ESR-3889 for concrete.

• International Code Council, Evaluation Service (ICC-ES), ESR-4042 for masonry.

• Code Compliant with the International Building Code/International Residential Code:

2018 IBC/IRC, 2015 IBC/IRC, 2012 IBC/IRC, and 2009 IBC/IRC

• Tested in accordance with ACI 355.2, ASTM E488 and ICC-ES AC193 for use in structural

applications in concrete under the design provisions of ACI 318 (Strength Design Method)

• Evaluated and qualiﬁed by an accredited independent testing laboratory for recognition in cracked

and uncracked concrete including seismic and wind loading (Category 1 anchors)

• Evaluated and qualiﬁed by an accredited independent testing laboratory for sensitivity and reliability

against brittle failure, e.g. hydrogen embrittlement

GUIDE SPECIFICATIONS

CSI Divisions: 03 16 00 - Concrete Anchors, 04 05 19.16 - Masonry Anchors and 05 05 19 - Post-

Installed Concrete Anchors. Screw anchors shall be Screw-Bolt+ as supplied by DEWALT, Towson, MD.

Anchors shall be installed in accordance with published instructions and the Authority Having Jurisdiction.

MATERIAL SPECIFICATIONS

Anchor component Specification

Anchor Body and hex washer head

Case hardened low carbon steel

(see minimum strength properties on the next page)

Plating

Standard zinc plated version

Zinc plating according to ASTM B633, SC1 Type III (Fe/Zn 5).

Minimum plating requirements for Mild Service Condition.

Mechanically galvanized version Mechanically Galvanized Zinc plating according to ASTM B695, Class 55

Summary of content (20 pages)

PAGE 1
GENERAL INFORMATION SECTION CONTENTS SCREW-BOLT+™ General Information.........................1 Installation Specifications (ASD)....2 Reference Data (ASD).......................2 Installation Specifications (SD).....12 Strength Design (SD)......................15 Ordering Information......................20 PRODUCT DESCRIPTION The Screw-Bolt+ anchor is a one piece, heavy duty screw anchor with a finished hex head or flat head (countersunk).
PAGE 2
Installation Specifications (ASD) ANCHORS & FASTENERS Mechanical Anchors INSTALLATION SPECIFICATIONS (ASD) Screw-Bolt+ Anchor Detail Head Marking Legend dh da hnom ho Diameter and Length Identification Mark Nomenclature da = Diameter of Anchor dbit = Diameter of Drill Bit dh = Diameter of Clearance Hole h = Base Material Thickness. The value of h should be 1.
PAGE 3
Ultimate Load Capacities for Screw-Bolt+ in Normal-Weight Concrete1,2 Nominal Anchor Diameter in. 1/4 3/8 1/2 5/8 3/4 Minimum Nominal Embedment Depth in. (mm) 1 (25) 1-5/8 (41) 2-1/2 (64) 1-1/2 (38) 2 (51) 3-1/4 (83) 4-1/2 (114) 1-3/4 (44) 2-1/2 (64) 4-1/4 (108) 5-1/2 (140) 2-1/2 (64) 3-1/4 (83) 5 (127) 6-1/4 (159) 2-1/2 (64) 4-1/4 (108) 5 (127) 6-1/4 (159) Minimum Concrete Compressive Strength f'c = 2,500 psi (17.3 MPa) f'c = 3,000 psi (20.7 MPa) f'c = 4,000 psi (27.6 MPa) f'c = 6,000 psi (41.
PAGE 4
Reference Data (ASD) Mechanical Anchors Allowable Load Capacities for Screw-Bolt+ in Normal-Weight Concrete1,2,3,4,5 Nominal Anchor Diameter in. 1/4 3/8 1/2 5/8 3/4 1. 2. 3. 4. 5. TECHNICAL GUIDE – Mechanical Anchors ©2021 DEWALT – REV. e 4 ANCHORS & FASTENERS Minimum Nominal Embedment Depth in.
PAGE 5
LOAD ADJUSTMENT FACTORS FOR NORMAL-WEIGHT CONCRETE Edge Distance Reduction Factors - Tension (FNC) Edge Distance (inches) Diameter (in) Nominal Embedment hnom (in) Min.
PAGE 6
Reference Data (ASD) ANCHORS & FASTENERS Diameter (in) 1/4 3/8 1/2 5/8 3/4 Nominal Embedment hnom (in) 1 1-5/8 2-1/2 1-1/2 2 3-1/4 4-1/2 1-3/4 2-1/2 4-1/4 5-1/2 2-1/2 3-1/4 5 6-1/4 2-1/2 4-1/4 5 6-1/4 Min.
PAGE 7
Ultimate Load Capacities for Screw-Bolt+ in Normal-Weight Concrete at Minimum Edge1,2 Nominal Anchor Diameter d in. 1/4 3/8 1/2 5/8 3/4 Minimum Nominal Embedment Depth in. (mm) 1-5/8 (41) 2-1/2 (64) 1-1/2 (38) 2 (51) 3-1/4 (83) 4-1/2 (114) 1-3/4 (44) 2-1/2 (64) 4-1/4 (108) 5-1/2 (140) 3-1/4 (83) 5 (127) 6-1/4 (159) 4-1/4 (108) 5 (127) 6-1/4 (159) Minimum Concrete Compressive Strength Minimum Edge Distance in. (mm) 1-1/2 (38) 1-1/2 (38) 1-3/4 (38) 1-3/4 (44) 1-3/4 (44) f'c = 2,500 psi (17.
PAGE 8
Reference Data (ASD) Mechanical Anchors Allowable Load Capacities for Screw-Bolt+ in Normal-Weight Concrete at Minimum Edge1,2,3,4,5 Nominal Anchor Diameter d in. 1/4 3/8 1/2 5/8 3/4 1. 2. 3. 4. 5. TECHNICAL GUIDE – Mechanical Anchors ©2021 DEWALT – REV. e 8 ANCHORS & FASTENERS Minimum Nominal Embedment Depth in.
PAGE 9
Allowable Screw-Bolt+ Tension and Shear Load Capacities Installed into the face of Grout-Filled Concrete Masonry Units1,2,3,4,5,6,7,8,9 CODE LISTED ICC-ES ESR-4042 Tension Load Anchor Diameter, d in. 1/4 3/8 1/2 5/8 3/4 Minimum Embedment hnom in. (mm) Allowable Load at ccr and scr lbs (kN) 1-5/8 (41.3) 2-1/2 (63.5) 2 (50.8) 3-1/4 (82.6) 2-1/2 (63.5) 4-1/4 (108.0) 3-1/4 (82.6) 5 (127.0) 4 (101.6) 6-1/4 (158.8) 315 (1.4) 605 (2.7) 450 (2.0) 1,085 (4.8) 610 (2.7) 1,190 (5.3) 880 (3.9) 1,270 (5.
PAGE 10
Reference Data (ASD) Mechanical Anchors Critical Edge Distance (see load tables) Minimum End Distance (Typ) Wall Thickness C1 A Min. Edge Distance C2 Installation in this area for Reduced Allowable Load Capacity No Installation Within 1-1/4" of Head Joint (unless joint mortared full depth) 2 Anchor 3 Installation in this area for Full Allowable Load Capacity A 1 4 Min.
PAGE 11
Allowable Screw-Bolt+ Tension and Shear Load Capacities Installed into the Face of Brick Masonry Walls1,2,3,4,5,6,7,8 Tension Load Anchor Diameter, d in. 1/4 3/8 1/2 5/8 3/4 Minimum Embedment, hnom in. (mm) Allowable Load at ccr and scr lbs (kN) 1-5/8 (41.3) 2-1/2 (63.5) 2 (50.8) 3-1/4 (82.6) 2-1/2 (63.5) 4-1/4 (108.0) 3-1/4 (82.6) 5 (127.0) 4 (101.6) 6-1/4 (158.8) 550 (2.4) 830 (3.7) 905 (4.0) 1,115 (5.0) 1,015 (4.5) 1,495 (6.7) 1025 (4.6) 2,015 (9.0) 1,815 (8.1) 2,400 (10.
PAGE 12
Installation Specifications (SD) ANCHORS & FASTENERS Mechanical Anchors INSTALLATION SPECIFICATIONS (SD) Anchor Property/ Setting Information Head Style Notation - Nominal anchor diameter da Minimum diameter of hole clearance in fixture8 Drill bit diameter (ANSI) Minimum nominal embedment depth5 dh hnom Effective Embedment hef Minimum hole depth hhole Minimum concrete member thickness hmin Minimum edge distance6 cmin Minimum spacing distance6 smin dbit 1/4 3/8 1/2 5/8 3/4 Hex or
PAGE 13
Anchor Property / Setting Information Notation CODE LISTED ICC-ES ESR-3889 Nominal Anchor Size (inch) Units 1/4 Head style - - Hex Head or Flat Head Nominal anchor diameter da Minimum diameter of hole clearance in fixture8 Nominal drill bit diameter (ANSI) dh in. (mm) in. (mm) in. in. (mm) in. (mm) in. (mm) in. (mm) in. (mm) in. (mm) in. ft.-lb. (N-m) ft.-lb. (N-m) in. in. in. in. in. in. 0.250 (6.4) 3/8 (9.
PAGE 14
Installation Specifications (SD) ANCHORS & FASTENERS Mechanical Anchors Installation Detail for Anchors in the Top of Concrete Over Steel Deck Floor and Roof Assemblies with Minimum Topping Thickness (See Dimensional Profile Requirements)1,2 SAND LIGHTWEIGHT CONCRETE OR NORMAL WEIGHT CONCRETE OVER STEEL DECK (MINIMUM 2,500 PSI) Min. 2-1/2" Screw-Bolt+ Anchor (Typ) Upper Flute (Valley) Min. 1-1/2" Min. 1-3/4" (Typ) Min. 6" (Typ) 1.
PAGE 15
STRENGTH DESIGN (SD) CODE LISTED Tension Design Information For Screw-Bolt+ Anchor In Concrete1,2 Design Characteristic Anchor category Notation Units 1, 2 or 3 in. (mm) Minimum nominal embedment depth hnom Steel strength in tension Nsa ICC-ES ESR-3889 Nominal Anchor Diameter 1/4 3/8 1 1-5/8 2-1/2 (41) (64) 2 (51) 1 2-1/2 3-1/4 2-1/2 (64) (83) (64) 1/2 5/8 1 3 (76) 1 4 (64) 4-1/4 3-1/4 (108) (64) 3/4 5 (127) 1 4-1/4 (108) Steel Strength in Tension (ACI 318-14 17.4.1 or ACI 318-11 D.
PAGE 16
Strength Design (SD) ANCHORS & FASTENERS Mechanical Anchors CODE LISTED Shear Design Information for Screw-Bolt+ Anchor in Concrete1,2,7,8 Design Characteristic Anchor category Minimum nominal embedment depth Notation 1, 2 or 3 Units hnom in.
PAGE 17
Tension and Shear Design Information for Screw-Bolt+ Anchor in the Soffit (Through the Underside) of Concrete-Filled Steel Deck Assemblies1,2,3,4,5,6 Anchor Property/Setting Information Notation Minimum nominal embedment depth hnom Effective Embedment hef Minimum hole depth ho ICC-ES ESR-3889 Nominal Anchor Diameter (inch) Units in. (mm) in. (mm) in. (mm) CODE LISTED 1/4 1-5/8 (41) 1.20 (30) 1-3/4 (44) 3/8 2-1/2 (64) 1.94 (49) 2-5/8 (67) 2 (51) 1.33 (34) 2-1/8 (54) 2-1/2 (64) 1.
PAGE 18
Strength Design (SD) ANCHORS & FASTENERS Mechanical Anchors FACTORED RESISTANCE STRENGTH (ØNn AND ØVn) CALCULATED IN ACCORDANCE WITH ACI 318-14 CHAPTER 17: 1- Tabular values are provided for illustration and are applicable for single anchors installed in normal-weight concrete with minimum slab thickness, ha = hmin, and with the following conditions: - ca1 is greater than or equal to the critical edge distance, cac (table values based on ca1 = cac). - ca2 is greater than or equal to 1.5 times ca1.
PAGE 19
Strength Design (SD) ANCHORS & FASTENERS Mechanical Anchors FACTORED RESISTANCE STRENGTH (ØNn AND ØVn) CALCULATED IN ACCORDANCE WITH ACI 318-14, CHAPTER 17: 1- Tabular values are provided for illustration and are applicable for single anchors installed in normal-weight concrete with minimum slab thickness, ha = hmin, and with the following conditions: - ca1 is greater than or equal to the minimum edge distance, cmin (table values based on ca1 = cmin). - ca2 is greater than or equal to 1.5 times ca1.
PAGE 20
Ordering Information ANCHORS & FASTENERS Mechanical Anchors ORDERING INFORMATION Screw-Bolt+ 20V Max* SDS Plus Rotary Hammers Cat. No. Anchor Size Hex Head Box Qty. Ctn. Qty.