August_1966 — Page 23

Far East Builder 遠東建築雜誌 All

EKMAN & CO., LTD., 1016 UNION HOUSE, HONG KONG

STUD ANCHORS

Do not require oversize holes. Eliminate templates. Make cast-in-place bolts obsolete. Simply drill hole and install stud anchor through the fixture hole without moving the object to be anchored. Famous RED HEAD undercutting action assures permanent strength.

COST SAVING WAY

Installation of 100 1⁄4" Anchors

Cost of Anchors

RED HEAD

PHILLIPS ANCHORS

RED HEAD | Explosive

Stud Anchor

Powder

Studs

$10.50

1.

DRILL HOLE

Use masonry drill bit-see chart for recommended diameter and depth.

STUD ANCHORS

2

EXPAND ANCHOR

Insert anchor and expand with hand hammer. Setting tools are available for smaller sizes.

$ 9.93

Cost of Explosives

NONE

$ 5.10

Total installation Time

60 min.

60 min.

*Cost of Labor

Total Cost

$ 3.50 $13.43

$ 3.50 $19.10

* Based on $3.50 hourly rate

with power tools).

(installed

Dritt Catalog & Stud❘ Overall Stud Thread Number Size Length Length Length

A

B

D

Drilled Depth Floor/

Pull Out* Shear* Load Load

Wall Ceiling

JS-14C

14"

"

SON

71

JS-14H

V"

21⁄4

A

1/4"

15%"

1%" 2.660

2,020

JS-14M

31⁄4"

2

1

JS-38C.

21⁄4"

1

JS-38H. 1/4"

"

3

1"

1X"

11⁄4"

11⁄4" 4,290 5,170

JS-38M.

31

21"

17

JS-12C⚫

2

14"

JS-12H⚫

1/2"

4%%'

21⁄2"

21⁄41⁄4"

14" 5,620 8,710#

[JS-12M,

"

51⁄4" 3%

2

PHILIPS

JS-58C.

JS-58H.

3%"

5

#

13/4"

3

W

I

2

H

2"

21⁄4" 9,240 11,817

JS-58M

»

7

5

#

JS-34C.

41⁄4"

1/2"

21 13′′

JS-34H⚫

"

61⁄4"

JS-34M.

33⁄4"

6

21/4"

31⁄4" 2%′′ 12.650# | 18,017#

2/2

*For 4:1 safety factor use 25% of above capacities in 4,000 p. s. i. concrete.

• Listed by U and FM

Chamfer

prevents

thread damage.

Knurled area acts as setting guide.

Fully sawed 'expansion slots.

Broaching edges insure undercutting of hole.

Exclusive

undercutting ring.

Foot on expander plug keeps hole clean and assures full expansion.

NON-DRILLING ANCHORS

PHIL Red

Cat, Bolt Drilled No. Size Diameter

"(.4375) X." (.5625)

J-14 X" J-38. X J-12. W

J-58.

M

J-34. 1/4"

JT-32

"X" (.6875) 24" (.84375)|

1" (1.00)

'" (.46875)

Vibration-proof, heavy duty anchors where circum. stances make pre-drilling the choice. Unlike lead anchors and friction types, RED HEAD Non-Drilling Anchors are all steel and actually undercut the bot- tom of the hole.

INSTALL IN 2 EASY STEPS

Pull

Thread Drilled Out* Shear* Depth Depth Load Load

X" 11⁄4" 2,912# 1.363 1542"

IK.” 4,825# 3,443#

11

#

2"

7,620# 6,856# |11,570# | 12.153

PHIL

Red H

10

1

3." 17,166 16,516 |

*For 4:1 safety factor use 25% of above capacities in

3,000 p. s. i, concrete.

TIE-WIRE

Diameter of cross-hole 2"

• Listed by

and

FLUSH TYPE

1 DRILL THE HOLE

with conventional carbide masonry bit and insert anchor.

2 DRIVE FLUSH

Expand the anchor with a few hammer blows and bolt ob- ject to be anchored.

MORE THAN A BILLION RED HEAD INSTALLATIONS THROUGHOUT THE WORLD!

SELF-DRILLING

PLUMBING AND PIPING

HEATING AND ELECTRICAL AIR CONDITIONING

STUD

IRON

INDUSTRIAL WORKING MAINTENANCE

NON-DRILLING

MACHINERY MOUNTING

WOOD TO CONCRETE

CONDUIT

EQUIPMENT ANCHORING

TYPICAL SPECIFICATIONS FOR RED HEAD ANCHORS

PIPING SYSTEMS

"Contractors shall furnish and install .. size RED HEAD (Self-Drilling, Non-Drilling, or Stud) Anchors as manufactured by the Phillips Drill Company of Michigan City, In- diana, or equal. The anchor shall be of the cone expansion type, with self-cutting annu- lar broaching grooves, and having pull-out values as established by Pittsburgh Testing Laboratories."

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