TEK (SDS) Screw

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Self-drilling screws for the building and construction industries. For those application fi x ig 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

TEK (SDS) Screw - 001 - Katsuhana

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 ma x imum 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

TEK (SDS) Screw - 002 - Katsuhana

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

TEK (SDS) Screw - 003 - Katsuhana

Size
Drive Size
Application
# 7 x 7/16"
# 2 Phillips
For heavy 16-20 gauge metal stud. Recommended ma x imum 2500 rpm drive speed.

Phillips Pan Head Framer-Zinc Plated

TEK (SDS) Screw - 004 - Katsuhana

Size
Drive Size
Application
# 7 x 7/16"
# 2 Phillips
For heavy 16-20 gauge metal stud. Recommended ma x imum 2500 rpm drive speed.

Phillips Modified Truss Head / Black Phosphate Or Zinc-Plated

TEK (SDS) Screw - 005 - Katsuhana

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

TEK (SDS) Screw - 006 - Katsuhana

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

He x Washer Head Self Drill-Zinc Plated

TEK (SDS) Screw - 007 - Katsuhana

Size
Thread Pitch
Drive Size
Drill Point Size
Optimum Driving Speed
Range Of Fastening
6 x 3/8
20
1/4"
#2
2500 rpm
.035 - .090
6 x 1/2
20
1/4"
#2
2500 rpm
.035 - .090
6 x 3/4
20
1/4"
#2
2500 rpm
.035 - .090
8 x 1/2
18
1/4"
#2
2500 rpm
.035 - .100
8 x 1/2 SLOTTED
18
1/4"
#2
2500 rpm
.035 - .100
8 x 5/8
18
1/4"
#2
2500 rpm
.035 - .100
8 x 3/4
18
1/4"
#2
2500 rpm
.035 - .100
8 x 1
18
1/4"
#2
2500 rpm
.035 - .100
8 x 1-1/4
18
1/4"
#2
2500 rpm
.035 - .100
8 x 1-1/2
18
1/4"
#2
2500 rpm
.035 - .100
8 x 2
18
1/4"
#2
2500 rpm
.035 - .100
10 x 1/2
16
5/16"
#2
2500 rpm
.035 - .110
10 x 5/8
16
5/16"
#2
2500 rpm
.035 - .110
10 x 3/4
16
5/16"
#2
2500 rpm
.110 - .175
10 x 1
16
5/16"
#2
2500 rpm
.110 - .175
10 x 1-1/4
16
5/16"
#2
2500 rpm
.110 - .175
10 x 1-1/2
16
5/16"
#2
2500 rpm
.110 - .175
10 x 2
16
5/16"
#2
2500 rpm
.110 - .175
12 x 3/4
14
5/16"
#3
2500 rpm
.110 - .210
12 x 1
14
5/16"
#3
2500 rpm
.110 - .210
12 x 1-1/4
14
5/16"
#3
2000 rpm
.110 - .210
12 x 1-1/2
14
5/16"
#3
2000 rpm
.110 - .210
12 x 2
14
5/16"
#3
2000 rpm
.110 - .210
12 x 3
14
5/16"
#3
2000 rpm
.110 - .210
14 x 3/4
14
3/8"
#3
1500 rpm
.110 - .250
14 x 1-1/4
14
3/8"
#3
1500 rpm
.110 - .250
14 x 1-1/2
14
3/8"
#3
1500 rpm
.110 - .250
14 x 2
14
3/8"
#3
1500 rpm
.110 - .250
14 x 3
14
3/8"
#3
1500 rpm
.110 - .250
14 x 4
14
3/8"
#3
1500 rpm
.110 - .250

Hex Washer Head Self Drill # 4 Point-Zinc Plated

TEK (SDS) Screw - 008 - Katsuhana

Size
Thread Pitch
Drive Size
Drill Point Size
Optimum Driving Speed
Range Of Fastening
12 x 7/8
24
5/16"
#4
1000 rpm
.210 - .345

Hex Washer Head Self Drill # 5 Point-Zinc Plated

TEK (SDS) Screw - 009 - Katsuhana

Size
Thread Pitch
Drive Size
Drill Point Size
Optimum Driving Speed
Range Of Fastening
12 x 1-1/4
24
5/16"
#5
1000 rpm
.250 - .500

Phillips Pan Head Self Drill-Zinc Plated

TEK (SDS) Screw - 010 - Katsuhana

Size
Thread Pitch
Drive Size
Drill Point Size
Optimum Driving Speed
Range Of Fastening
6 x 3/8
20
# 2 Phillips
# 2
2500 rpm
.035 - .090
6 x 1/2
20
# 2 Phillips
# 2
2500 rpm
.035 - .090
6 x 3/4
20
# 2 Phillips
# 2
2500 rpm
.035 - .090
8 x 3/8
18
# 2 Phillips
# 2
2500 rpm
.035 - .100
8 x 1/2
18
# 2 Phillips
# 2
2500 rpm
.035 - .100
8 x 3/4
18
# 2 Phillips
# 2
2500 rpm
.035 - .100
8 x 1
18
# 2 Phillips
# 2
2500 rpm
.035 - .100
8 x 1-1/4
18
# 2 Phillips
# 2
2000 rpm
.035 - .100
8 x 1-1/2
18
# 2 Phillips
# 2
2000 rpm
.035 - .100
10 x 1/2
16
# 2 Phillips
# 2
2000 rpm
.035 - .100
10 x 5/8
16
# 2 Phillips
# 2
2000 rpm
.035 - .100
10 x 3/4
16
# 2 Phillips
# 3
2000 rpm
.035 - .175
10 x 1
16
# 2 Phillips
# 3
2000 rpm
.035 - .175
10 x 1-1/4
16
# 2 Phillips
# 3
2000 rpm
.035 - .175
10 x 1-1/2
16
# 2 Phillips
# 3
2000 rpm
.035 - .175
10 x 2
16
# 2 Phillips
# 3
2000 rpm
.035 - .175

Phillips Wafer Head Self Drill-Zinc Plated

TEK (SDS) Screw - 011 - Katsuhana

Size
Thread Pitch
Drive Size
Drill Point Size
Optimum Driving Speed
Range Of Fastening
10 x 3/4
24
# 2 Phillips
# 3
1500 rpm
1/4" Plywood
10 x 1
24
# 2 Phillips
# 3
1500 rpm
3/8" Plywood
10 x 1-1/4
24
# 2 Phillips
# 3
1500 rpm
1/2" Plywood
10 x 1-1/2
24
# 2 Phillips
# 3
1500 rpm
3/4" Plywood

Phillips Wafer Head Self Drill W/Wings-Zinc Plated

TEK (SDS) Screw - 012 - Katsuhana

Size
Thread Pitch
Drive Size
Drill Point Size
Optimum Driving Speed
Range Of Fastening
10 x 1-7/16
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

TEK (SDS) Screw - 013 - Katsuhana

Part Number
Thread Pitch
Drive Size
Drill Point Size
Optimum Driving Speed
Wooden Header Thickness
Metal Thickness
12 x 1-5/8
24
# 2 Phillips
# 2
1500 rpm
3/8" to 5/8"
up to .175
12 x 2
24
# 3 Phillips
# 3
1500 rpm
1/2" to 3/4"
up to .210
12 x 2-1/2
24
# 3 Phillips
# 3
1500 rpm
7/8" to 1-1/4"
up to .250
14 x 2-3/4
20
# 3 Phillips
# 4
1000 rpm
1-1/2" to 1-3/4"
up to .250
14 x 3-1/4
20
# 3 Phillips
# 4
1000 rpm
2" to 2-1/4"
up to .250

Phillips Flat Head Self Drill-Zinc Plated

TEK (SDS) Screw - 014 - Katsuhana

8 x 1/2 18 #2PH #2PH Recommended drive speed 2500 RPM. For counter-sunk holes. Aluminum to aluminum or steel to steel 0.035-0.100
8 x 3/4 18 #2PH #2PH
8 x 1 18" #2PH #2PH
10 x 3/4 16 #2PH #3PT For counter-sunk holes. Aluminum to aluminum or steel to steel 0.035 -0.176
#10 x 1 16 #2PH #3PT
#10 x 1-1/2 16 #2PH #3PT

Phillips Pancake Head Zinc Plated

TEK (SDS) Screw - 015 - Katsuhana 10-16 x 5/8 3

Low profile head attaches panel clip to steel studs.

For framing steel studs to steel.

Type A for wood studs.

10-16 x 1 3
10-12 x 1 A

Phillips Oval Head Zinc Plated

TEK (SDS) Screw - 016 - Katsuhana 8-18 x 3/4 2

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

.035-.100

8-18 x 1 2
8-18 x 1-1/4 2
8-18 x 1-1/2 2

Phillips Oval Head SEMS W/Finishing Washer Zinc Plated

TEK (SDS) Screw - 017 - Katsuhana 8-18 x 3/4 2 Attaches carpet or vinyl to 14 gauge or thinner.
8-18 x 1 2
8-18 x 1-1/4 2

Cement Board Screw

Phil Wafer Head 8 Nibs Type BSD #2PT Drill Point

TEK (SDS) Screw - 018 - Katsuhana

Phil Wafer Head 8 Nibs Hi-Lo Spoon Point

TEK (SDS) Screw - 019 - Katsuhana

II. DIN7504:

DIN7504 K: Ind. He x 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 TEK (SDS) Screw - 020 - Katsuhana DIN 6928 Screw DIN 7504-ST4, 2 x 13-K
L TEK (SDS) Screw - 021 - Katsuhana DIN 6928; slot dimensions as in DIN 962 Screw DIN 7504-ST4, 2 x 13-L
M TEK (SDS) Screw - 022 - Katsuhana ISO 7049 DIN 7504-ST4, 2 x 13-M-H
O TEK (SDS) Screw - 023 - Katsuhana ISO 7050 DIN 7504-ST4, 2 x 13-O-H
R TEK (SDS) Screw - 024 - Katsuhana ISO 7051 DIN 7504-ST4, 2 x 13-R-H

III. Australian Standards (AS3566):

IND. He x Flange Head
Phil Wafer Head / Modi Truss Head
Phil Thin Wafer Head

TEK (SDS) Screw - 025 - Katsuhana

Millimetres
Size Designation
Across Flats
(A)
Washer Dla.
(B)
Across Corners (Min)
(C)
Hex agon 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.

TEK (SDS) Screw - 026 - Katsuhana

Figure 1.2. He x agon Washer Head

Millimetres
Size Designation
Head Dia. (dk)
Taper Dia. (da)
Head Height (k)
Cross Recess No.
CrossRecess 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