SCREW:

1.TEK(SDS) SCREW :
Self-drilling screws for the building and construction industries. For those application fixig to steel, timber and plasterboard to steel.
Self-drilling screws intended for drilling and tapping into layered or unlayered steel with a minimum total thickness of 0.9mm shall be type ASD, BSD or CSD TYPE ASD and BSD screw have spaced threads and type CSD screws have threads of UNC machine screw diameter-pitch combination with a 60 degree basic thread form.

The drill points for ASD, BSD and CSD shall be No 2, No. 3 and No. 4 designed to accommodate different panel thicknesses.

I .IFI standard : There are Type BSD and Type CSD screw types shall conform to those specified for Type B and Type C tapping screws, respectively. As specified in ASME B18.6.4 or SAE J478.

PHILLIPS BUGLE HEAD-BLACK PHOSPHATE


SIZE

 DRIVE SIZE
APPLICATION
# 6  x 1"
 # 2 Phillips Recommended for the application of D/W or Gyp board to 12-20 gauge metal studs.

2500 rpm is recommended maximum drive speed ; can also be used in wood to metal fastening where wood is predrilled.
# 6  x 1-1/8"
 # 2 Phillips
# 6  x 1-1/4"
 # 2 Phillips
# 6  x 1-5/8"
 # 2 Phillips
# 6  x 1-7/8"
 # 2 Phillips
# 8  x 2-3/8"
 # 2 Phillips
# 8  x 2-5/8"
 # 2 Phillips
# 8  x 3"
 # 2 Phillips
PHILLIPS BUGLE HEAD-ZINC PLATED

SIZE

 DRIVE SIZE 　APPLICATION
# 6  x 1"
 # 2 Phillips Recommended for the application of D/W or Gyp board to 12-20 gauge metal studs ; To be used when end-user requires additional corrosion resistance of zinc plating.  Recommended minimum drive speed is 2500rpm.
# 6  x 1-1/8"
 # 2 Phillips
# 6  x 1-1/4"
 # 2 Phillips
# 6  x 1-5/8"
 # 2 Phillips
# 6  x 1-7/8"
 # 2 Phillips
# 8  x 2-3/8"
 # 2 Phillips
# 8  x 2-5/8"
 # 2 Phillips
# 8  x 3"
 # 2 Phillips
PHILLIPS PAN HEAD FRAMER-BLACK PHOSPHATE

SIZE
DRIVE SIZE
APPLICATION
# 7  x 7/16"
# 2 Phillips
For heavy 16-20 gauge metal stud. Recommended maximum 2500 rpm drive speed.
PHILLIPS PAN HEAD FRAMER-ZINC PLATED

SIZE
DRIVE SIZE
 　
APPLICATION
# 7  x 7/16"
# 2 Phillips
For heavy 16-20 gauge metal stud. Recommended maximum 2500 rpm drive speed.

 


PHILLIPS MODIFIED TRUSS HEAD                                   BLACK PHOSPHATE or ZINC-PLATED

SIZE
DRIVE SIZE
 　
APPLICATION
# 8  x 1/2"
# 2 Phillips
For the application of metal lathe to heavy 12-20 gauge metal studs.      Recommended drive speed is 2500rpm.
# 8  x 3/4"
# 2 Phillips
# 8  x 1"
# 2 Phillips
# 8  x 1-1/4"
# 2 Phillips
# 8  x 1-5/8"
# 2 Phillips

SQUARE DRIVE TRIM HEAD-ZINC PLATED

SIZE

 DRIVE SIZE 　APPLICATION
# 6  x 1"
 # 1 Robertson SQ Finish screw for application of base board or trim through D/W to heavy 12-20 ga. metal stud.
# 6  x 1-5/8"
 # 1 Robertson SQ
# 6  x 2-1/4"
 # 1 Robertson SQ
# 8  x 3"
 # 2 Robertson SQ


 


HEX WASHER HEAD SELF DRILL-ZINC PLATED

SIZE
 THREAD PITCH DRIVE SIZE DRILL POINT SIZE OPTIMUM DRIVING SPEED RANGE OF FASTENING
6X3/8
 20 1/4" #2 2500 rpm .035 - .090
6X1/2
 20 1/4" #2 2500 rpm .035 - .090
6X3/4
 20 1/4" #2 2500 rpm .035 - .090
8X1/2
 18 1/4" #2 2500 rpm .035 - .100
8X1/2 SLOTTED
 18 1/4" #2 2500 rpm .035 - .100
8X5/8
 18 1/4" #2 2500 rpm .035 - .100
8X3/4
 18 1/4" #2 2500 rpm .035 - .100
8X1
 18 1/4" #2 2500 rpm .035 - .100
8X1-1/4
 18 1/4" #2 2500 rpm .035 - .100
8X1-1/2
 18 1/4" #2 2500 rpm .035 - .100
8X2
 18 1/4" #2 2500 rpm .035 - .100
10X1/2
 16 5/16" #2 2500 rpm .035 - .110
10X5/8
 16 5/16" #2 2500 rpm .035 - .110
10X3/4
 16 5/16" #2 2500 rpm .110 - .175
10X1
 16 5/16" #2 2500 rpm .110 - .175
10X1-1/4
 16 5/16" #2 2500 rpm .110 - .175
10X1-1/2
 16 5/16" #2 2500 rpm .110 - .175
10X2
 16 5/16" #2 2500 rpm .110 - .175
12X3/4
 14 5/16" #3 2500 rpm .110 - .210
12X1
 14 5/16" #3 2500 rpm .110 - .210
12X1-1/4
 14 5/16" #3 2000 rpm .110 - .210
12X1-1/2
 14 5/16" #3 2000 rpm .110 - .210
12X2
 14 5/16" #3 2000 rpm .110 - .210
12X3
 14 5/16" #3 2000 rpm .110 - .210
14X3/4
 14 3/8" #3 1500 rpm .110 - .250
14X1-1/4
 14 3/8" #3 1500 rpm .110 - .250
14X1-1/2
 14 3/8" #3 1500 rpm .110 - .250
14X2
 14 3/8" #3 1500 rpm .110 - .250
14X3
 14 3/8" #3 1500 rpm .110 - .250
14X4
 14 3/8" #3 1500 rpm .110 - .250

HEX WASHER HEAD SELF DRILL # 4 POINT-ZINC PLATED

SIZE
 THREAD PITCH DRIVE SIZE DRILL POINT SIZE OPTIMUM DRIVING SPEED RANGE OF FASTENING
12X7/8
 24 5/16" #4 1000 rpm

.210 - .345

HEX WASHER HEAD SELF DRILL # 5 POINT-ZINC PLATED

SIZE
 THREAD PITCH DRIVE SIZE DRILL POINT SIZE OPTIMUM DRIVING SPEED RANGE OF FASTENING
12X1-1/4
 24 5/16" #5 1000 rpm

.250 - .500

 

 

PHILLIPS PAN HEAD SELF DRILL-ZINC PLATED

SIZE
THREAD PITCH DRIVE SIZE DRILL POINT SIZE OPTIMUM DRIVING SPEED RANGE OF FASTENING
6X3/8
 20 # 2 Phillips # 2 2500 rpm .035 - .090
6X1/2
 20 # 2 Phillips # 2 2500 rpm .035 - .090
6X3/4
 20 # 2 Phillips # 2 2500 rpm .035 - .090
8X3/8
 18 # 2 Phillips # 2 2500 rpm .035 - .100
8X1/2
 18 # 2 Phillips # 2 2500 rpm .035 - .100
8X3/4
 18 # 2 Phillips # 2 2500 rpm .035 - .100
8X1
 18 # 2 Phillips # 2 2500 rpm .035 - .100
8X1-1/4
 18 # 2 Phillips # 2 2000 rpm .035 - .100
8X1-1/2
 18 # 2 Phillips # 2 2000 rpm .035 - .100
10X1/2
 16 # 2 Phillips # 2 2000 rpm .035 - .100
10X5/8
 16 # 2 Phillips # 2 2000 rpm .035 - .100
10X3/4
 16 # 2 Phillips # 3 2000 rpm .035 - .175
10X1
 16 # 2 Phillips # 3 2000 rpm .035 - .175
10X1-1/4
 16 # 2 Phillips # 3 2000 rpm .035 - .175
10X1-1/2
 16 # 2 Phillips # 3 2000 rpm .035 - .175
10X2
 16 # 2 Phillips # 3 2000 rpm .035 - .175

PHILLIPS WAFER HEAD SELF DRILL-ZINC PLATED

SIZE THREAD PITCH DRIVE SIZE DRILL POINT SIZE OPTIMUM DRIVING SPEED RANGE OF FASTENING
10X3/4 24 # 2 Phillips # 3 1500 rpm 1/4" Plywood 
10X1 24 # 2 Phillips # 3 1500 rpm 3/8" Plywood
10X1-1/4 24 # 2 Phillips # 3 1500 rpm 1/2" Plywood
10X1-1/2 24 # 2 Phillips # 3 1500 rpm 3/4" Plywood

PHILLIPS WAFER HEAD SELF DRILL W/WINGS-ZINC PLATED

SIZE
 THREAD PITCH DRIVE SIZE DRILL POINT SIZE OPTIMUM DRIVING SPEED RANGE OF FASTENING

10X1-7/16

24

 # 2 Phillips # 3 1500 rpm Plywood up to 3/4" to metal framing member up to.175

PHILLIPS FLAT HEAD SELF DRILL W/WINGS-ZINC PLATED

PART NUMBER
 THREAD PITCH DRIVE SIZE DRILL POINT SIZE OPTIMUM DRIVING SPEED Wooden Header Thickness Metal Thickness
12X1-5/8
 24 # 2 Phillips # 2 1500 rpm 3/8"    to    5/8" up to .175
12X2
 24 # 3 Phillips # 3 1500 rpm 1/2"    to    3/4" up to .210
12X2-1/2
 24 # 3 Phillips # 3 1500 rpm 7/8"    to 1-1/4" up to .250
14X2-3/4
 20 # 3 Phillips # 4 1000 rpm 1-1/2" to 1-3/4" up to .250
14X3-1/4
 20 # 3 Phillips # 4 1000 rpm       2" to 2-1/4" up to .250

 

PHILLIPS FLAT HEAD SELF DRILL-ZINC PLATED

8X1/2
18

#2PH
#2PH
 Recommended drive speed 2500 RPM . For counter-sunk holes. Aluminum to aluminum or steel to steel 0.035-0.100.
8X3/4
18
#2PH
#2PH
8X1
18"
#2PH
#2PH
10X3/4
16
#2PH
#3PT
 For counter-sunk holes. Aluminum to aluminum or steel to steel 0.035 -0.176
#10X1
16
#2PH
#3PT
#10X1-1/2
16
#2PH
#3PT
 
PHILLIPS PANCAKE HEAD ZINC PLATED.
　
10-16x5/8 3

Low profile head attaches panel clip to steel studs.

For framing steel studs to steel.

Type A for wood studs.
10-16x1 3
10-12x1 A



PHILLIPS OVAL HEAD ZINC PLATED.
 8-18x3/4 2

Recommended drive speed 2500RPM.For countersunk holes.Aluminum to steel or steel.

.035-.100
8-18x1 2
8-18x1-1/4 2
8-18x1-1/2 2

PHILLIPS OVAL HEAD SEMS W/FINISHING WASHER ZINC PLATED.
　
8-18x3/4
2
 Attaches carpet or vinyl to 14 gauge or thinner.
8-18x1
2
8-18x1-1/4
2

 

CEMENT BOARD SCREW :
PHIL WAFER HEAD 8 NIBS TYPE BSD #2PT DRILL POINT

PHIL WAFER HEAD 8 NIBS HI-LO SPOON POINT


II .DIN7504 :
DIN7504 K : IND. HEX WAHER HEAD
DIN7504 P: PHIL FLAT HEAD
DIN7504 N PHIL PAN HEAD

Dimensions and designations

Table 1: Screw types and designations


Type

lllustration

 Qther dimensions as in Example of designation
K
DIN 6928 Screw DIN 7504-ST4,2 x 13-K
L
DIN 6928 ; slot dimensions as in DIN 962 Screw DIN 7504-ST4,2 x 13-L
M
ISO 7049 DIN 7504-ST4,2 x 13-M-H
O
ISO 7050 DIN 7504-ST4,2 x 13-O-H
R
ISO 7051 DIN 7504-ST4,2 x 13-R-H



TOP

 

III, Australian Standards ( AS3566) :
IND. HEX FLANGE HEAD
PHIL WAFER HEAD / MODI TRUSS HEAD
PHIL THIN WAFER HEAD

millimetres

Size
designation

　

Across
flats
(A)

Washer
dla.
(B)

Across
corners
(min)
(C)

　

Hexagon
height
(E)

Head
height
(G)

Indent
depth
(max)
(H)

　

Fillet
radius
(min)
(R)
Min Max Min Max Min Max Min Max
NO   6 6.20 6.35 8.38 9.14 6.91 1.90 2.29 3.05 3.43 1.14 0.25
NO   8 6.20 6.35 9.40 10.29 6.91 2.41 2.79 3.68 4.32 1.14 0.38
NO 10 7.78 7.92 10.67 11.43 8.64 2.79 3.30 4.32 4.83 1.40 0.38
NO 12 7.78 7.92 13.97 14.78 8.64 3.61 3.94 5.08 5.92 1.65 0.51
NO 14 9.32 7.92 13.97 15.49 10.39 4.06 4.70 5.84 6.60 1.91 0.76

NOTE: For concentricity  tolerances , see Clauses 1. 8. 4 and 1. 8. 5.

FIGURE 1.2. HEXAGON WASHER HEAD

millimetres

Size designation

Head dia.

(dk)

Taper dia.

(da)

Head height

(k)

Cross recess   NO.

　

Cross recess penetration value

Radius

(r)

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

ST 3.5(No. 6)

6.73

6.86

4.06

4.32

1.39

1.65

Type H Ko. 2

1.27

1.88

0.25

0.51

ST 4.2(No. 8)

7.77

8.18

4.57

4.83

1.65

1.90

Type H Ko. 2

1.27

1.90

0.25

0.51

ST 4.8(No.10)

8.94

9.53

4.83

5.21

1.52

2.03

Type H Ko. 2

1.90

2.67

0.38

0.89

millimetres

Size designation

Head dia.

(dk)

Taper dia.

(da)

Head height

(k)

Cross recess   NO.

　

Cross recess penetration value

Radius

(r)

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

ST 4.8(No. 10)

 9.07 9.47 4.83 5.26 1.65 1.91 Type H No. 2 2.13 2.74 0.38 0.89