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Unit:mm

Slotted Raised Countersunk (Oval) Head Tapping Screws

GB /T 5284 - 2017

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国标GB /T5284 - 2017 GB5284 5284GB Slotted Raised Countersunk (Oval) Head Tapping Screws
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Thread Size
ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5
P Pitch
a max
dk max
min
f ≈
k max
n max
min
t max
min
y Ref. Type C
Type F
Type R
r max
0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
3.8 5.5 7.3 8.4 9.3 10.3 11.3 15.8 18.3
3.5 5.2 6.9 8 8.9 9.9 10.9 15.4 17.8
0.5 0.7 0.8 1 1.2 1.3 1.4 2 2.3
1.1 1.7 2.35 2.6 2.8 3 3.15 4.65 5.25
0.7 1 1.2 1.51 1.51 1.91 1.91 2.31 2.81
0.56 0.86 1.06 1.26 1.26 1.66 1.66 2.06 2.56
1 1.45 1.7 1.9 2.4 2.6 2.8 3.7 4.4
0.8 1.2 1.4 1.6 2 2.2 2.4 3.2 3.8
2 2.6 3.2 3.7 4.3 5 6 7.5 8
1.6 2.1 2.5 2.8 3.2 3.6 3.6 4.2 4.2
/ / 2.7 3.2 3.6 4.3 5 6.3 /
0.8 1.2 1.4 1.6 2 2.2 2.4 3.2 4

Alternative history

GB /T 5284 - 1985 GB /T 5284 - 2017
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Similar Standards

1 Slotted Raised Countersunk Head Tapping Screws [DIN]
DIN 7973 - 1990 		Slotted Raised Countersunk Head Tapping Screws

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2 Slotted Raised Countersunk (Oval) Head Tapping Screws [DIN EN ISO]
DIN EN ISO 1483 - 2011 		Slotted Raised Countersunk (Oval) Head Tapping Screws

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3 Metal Bone Screw with Single-slot Recess, with Symmetrical Thread Form HC [Figure 1] [ISO]
ISO 9268 (F1) - 1988 		Metal Bone Screw with Single-slot Recess, with Symmetrical Thread Form HC [Figure 1]
4 Metric Slotted Oval Countersunk Head Tapping Screws [IFI]
IFI 502 - 1982 		Metric Slotted Oval Countersunk Head Tapping Screws
5 slotted Oval Countersunk Head Tapping Screws - Type C Thread Forming [Table 20] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		slotted Oval Countersunk Head Tapping Screws - Type C Thread Forming [Table 20]
6 slotted Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 20] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		slotted Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 20]
7 slotted Oval Countersunk Head Tapping Screws - Type AB Thread Forming [Table 20] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		slotted Oval Countersunk Head Tapping Screws - Type AB Thread Forming [Table 20]
8 80° Machine Screw and Tapping Screw Nuts (Inch Seires) [ASME/ANSI]
ASME/ANSI B 18.6.3 - 2010 		80° Machine Screw and Tapping Screw Nuts (Inch Seires)
9 80° Slotted Undercut Oval Countersunk Head Tapping Screws [Table 11] [ASME]
ASME B 18.6.3 (T11t) - 2013 		80° Slotted Undercut Oval Countersunk Head Tapping Screws [Table 11]
10 82° Slotted Oval Countersunk Head Tapping Screws [Table 7] [ASME]
ASME B 18.6.3 (T7+T40) - 2013 		82° Slotted Oval Countersunk Head Tapping Screws [Table 7]
11 80° Slotted Undercut Oval Countersunk Head Tapping Screws - Type AB、ABR [ASME]
ASME B 18.6.3 (H3C+T1A) - 2024 		80° Slotted Undercut Oval Countersunk Head Tapping Screws - Type AB、ABR
12 82° Dimensions of Slotted Oval Countersunk Head Tapping Screws [ASME]
ASME B 18.6.3 (H2A+T1A) - 2024 		82° Dimensions of Slotted Oval Countersunk Head Tapping Screws
13 Slotted Raised Countersunk Head Tapping Screws [ISO]
ISO 1483 - 1983 		Slotted Raised Countersunk Head Tapping Screws
14 Metrice Slotted Raised Countersunk Head Tapping Screws [Table 12] [ASME]
ASME B 18.6.5M (T12) - 2000 (R2010) 		Metrice Slotted Raised Countersunk Head Tapping Screws [Table 12]
15 Slotted Raised Countersunk (Oval) Head Tapping Screws [ISO]
ISO 1483 - 2011 		Slotted Raised Countersunk (Oval) Head Tapping Screws
16 slotted Oval Countersunk Head Tapping Screws - Type A Thread Forming [Table 20] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		slotted Oval Countersunk Head Tapping Screws - Type A Thread Forming [Table 20]
17 80°Slotted Raised Countersunk Head Tapping Screws [Table 12] [BS]
BS 4174 - 1972 		80°Slotted Raised Countersunk Head Tapping Screws [Table 12]
18 Slotted Raised Countersunk Head Tapping Screws [Table JA5] [JIS]
JIS B 1115 (JA5) - 2015 		Slotted Raised Countersunk Head Tapping Screws [Table JA5]
19 Slotted Raised Countersunk Head Tapping Screws [Table 9] [JIS]
JIS B 1115 (T9) - 2015 		Slotted Raised Countersunk Head Tapping Screws [Table 9]
20 Slotted Raised Countersunk Head Tapping Screws [Table 3] [JIS]
JIS B 1115 (T3) - 1996 		Slotted Raised Countersunk Head Tapping Screws [Table 3]
21 Slotted Raised Countersunk Head Tapping Screws [GB]
GB /T 5284 - 1985 		Slotted Raised Countersunk Head Tapping Screws
22 Cross Recess 80° Raised Countersunk Head Tapping Screws [Table 13] [BS]
BS 4174 - 1972 		Cross Recess 80° Raised Countersunk Head Tapping Screws [Table 13]
23 Slotted Raised Countersunk Head Tapping Screws [Annex Table 3] [JIS]
JIS B 1115 (AT3) - 1996 		Slotted Raised Countersunk Head Tapping Screws [Annex Table 3]
24 Slotted 80° Truncated Raised Countersunk Head Screws [Table 14] [BS]
BS 4174 - 1972 		Slotted 80° Truncated Raised Countersunk Head Screws [Table 14]
25 Slotted Raised Countersunk (Oval) Head Tapping Screws [NF]
NF E 25-661 - 1994 		Slotted Raised Countersunk (Oval) Head Tapping Screws
26 Slotted Raised Countersunk Head Tapping Screws [GOST]
GOST 1483 - 2013 		Slotted Raised Countersunk Head Tapping Screws
27 ISO Metric Slotted Raised Countersunk Head Tapping Screws [AS]
AS /NZS 4405 - 1996 		ISO Metric Slotted Raised Countersunk Head Tapping Screws