About Us Pricing Terms of Use FAQ Contact Us
| 简体 | 繁體 |
English Deutsch Français 日本語 Italiano Español 한어 Português Русский بالعربية Türkçe

Click Specification

Unit:inch

Type B and BP, Thread Forming Tapping Screws [Table 6]

ASME B 18.6.4 (B/BP) - 1998 (R2005)

Display drawing:

美标ASME B18.6.4 (B/BP) - 1998 (R2005) ASM Type B and BP, Thread Forming Tapping Screws [Table 6]
Nominal Diameter
0# 1# 2# 3# 4# 5# 6# 7#
Nominal Diameter
PP
d max
min
d1 max
min
dp Ref.
s max
min
L Type B,min 90° Heads
Csk. Heads
Type BP,min 90° Heads
Csk. Heads
0.0600 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1510
48 42 32 28 24 20 20 19
0.060 0.075 0.088 0.101 0.114 0.130 0.139 0.154
0.054 0.069 0.082 0.095 0.108 0.123 0.132 0.147
0.036 0.049 0.064 0.075 0.086 0.094 0.104 0.115
0.033 0.046 0.060 0.071 0.082 0.090 0.099 0.109
0.031 0.044 0.058 0.068 0.079 0.087 0.095 0.105
0.042 0.048 0.062 0.071 0.083 0.100 0.100 0.105
0.031 0.036 0.047 0.054 0.063 0.075 0.075 0.079
1/8 1/8 5/32 3/16 3/16 7/32 1/4 1/4
1/8 5/32 3/16 7/32 1/4 9/32 9/32 5/16
5/32 3/16 1/4 9/32 5/16 11/32 3/8 13/32
3/16 7/32 9/32 5/16 11/32 13/32 7/16 15/32
Nominal Diameter
8# 10# 12# 1/4 5/16 3/8 7/16 1/2
Nominal Diameter
PP
d max
min
d1 max
min
dp Ref.
s max
min
L Type B,min 90° Heads
Csk. Heads
Type BP,min 90° Heads
Csk. Heads
0.1640 0.1900 0.2160 0.2500 0.3125 0.3750 0.4375 0.5000
18 16 14 14 12 12 10 10
0.166 0.189 0.215 0.246 0.315 0.380 0.440 0.504
0.159 0.182 0.208 0.237 0.306 0.371 0.429 0.493
0.122 0.141 0.164 0.192 0.244 0.309 0.359 0.423
0.116 0.135 0.157 0.185 0.236 0.299 0.349 0.413
0.112 0.130 0.152 0.179 0.230 0.293 0.343 0.407
0.111 0.125 0.143 0.143 0.167 0.167 0.200 0.200
0.083 0.094 0.107 0.107 0.125 0.125 0.150 0.150
9/32 5/16 11/32 3/8 15/32 17/32 5/8 11/16
11/32 3/8 7/16 1/2 19/32 11/16 25/32 27/32
7/16 1/2 9/16 21/32 27/32 15/16 1-1/8 1-1/4
1/2 19/32 21/32 3/4 31/32 1-1/8 1-1/4 1-13/32
①,The width of flat at crest of thread shall not exceed 0.004 in. for sizes up to and including No.8, and 0.006 in. for larger sizes.
Send Inquiry

Similar Standards

1 Thread Lengths for Type C, D, F, G, T and TRS Tapping Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T47) - 2013 		Thread Lengths for Type C, D, F, G, T and TRS Tapping Screws
2 Typ C, Thread Forming Tapping Screws [Table V1] [ASME]
ASME B 18.6.4 (C) - 1998 (R2005) 		Typ C, Thread Forming Tapping Screws [Table V1]
3 Threads and thread ends for tapping screws [DIN]
DIN 7970 - 1984 		Threads and thread ends for tapping screws
4 Wood thread [Table 1] [ASME/ANSI]
ASME/ANSI B 18.6.1 (T1) - 1981 		Wood thread [Table 1]
5 Triangle lock self-tapping teeth--D、F、G [ASME/ANSI]
ASME/ANSI B 18.6.3 - 2010 		Triangle lock self-tapping teeth--D、F、G
6 AB self-tapping teeth [ASME/ANSI]
ASME/ANSI B 18.6.3 - 2010 		AB self-tapping teeth
7 Asymmetrical thread HD [Figure 6] [ISO]
ISO 9268 (F6) - 1988 		Asymmetrical thread HD [Figure 6]
8 Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T42) - 2013 		Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws
9 Thread Lengths for Type A, AB, B, BF, BP and BT Tapping Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T46) - 2013 		Thread Lengths for Type A, AB, B, BF, BP and BT Tapping Screws
10 HB Thread [Figure 4] [ISO]
ISO 5835 (F4) - 1991 		HB Thread [Figure 4]
11 Aerospace - Lead and runout threads - Part 1: Rolled external threads [ISO]
ISO 3353-1 - 2020 		Aerospace - Lead and runout threads - Part 1: Rolled external threads
12 Dimensions of Threads and Points for Types AB and ABR Thread-Forming Tapping Screws [ASME]
ASME B 18.6.3 (T4.1.1.1-1) - 2024 		Dimensions of Threads and Points for Types AB and ABR Thread-Forming Tapping Screws
13 Thread and body dimeters for wood screws [Table 1] [ASME/ANSI]
ASME/ANSI B 18.6.1 (T1) - 1981 (R2016) 		Thread and body dimeters for wood screws [Table 1]
14 Whitworth pipe threads for pipe unions [DIN]
DIN 3858 - 2005 		Whitworth pipe threads for pipe unions
15 Dimensions of Threads and Points for Type AB and Type ABR Thread-forming Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T40) - 2013 		Dimensions of Threads and Points for Type AB and Type ABR Thread-forming Screws
16 HA Thread [Figure 2] [ISO]
ISO 5835 (F2) - 1991 		HA Thread [Figure 2]
17 Symmetrical thread HC [Figure 4] [ISO]
ISO 9268 (F4) - 1988 		Symmetrical thread HC [Figure 4]
18 ISO general purpose metric screw threads — Selected sizes for screws, bolts and nuts [ISO]
ISO 262 - 1998 		ISO general purpose metric screw threads — Selected sizes for screws, bolts and nuts
19 Plastic threads [DIN]
DIN 7505 - 1986 		Plastic threads
20 Pipe threads where pressure-tight joints are not made on the threads [ISO]
ISO 228-1 - 2000 		Pipe threads where pressure-tight joints are not made on the threads
21 Metric Self-tapping Thread End [IFI]
IFI 502 - 1982 		Metric Self-tapping Thread End
22 ISO general purpose metric screw threads - General plan [ISO]
ISO 261 - 1998 		ISO general purpose metric screw threads - General plan
23 Limits of sizes for general purpose external and internal screw threads [ISO]
ISO 965-2 - 1998 		Limits of sizes for general purpose external and internal screw threads
24 ISO - Metric Trapezoidal Screw Threads [DIN]
DIN 103 - 1 - 1977 		ISO - Metric Trapezoidal Screw Threads
25 Metric triangle lock with thread end [IFI]
IFI 502 - 1982 		Metric triangle lock with thread end
26 Pipe threads where pressure tight joints are made on the threads - Part 1 : Taper external threads and parallel internal threads - Dimensions, tolerances and designation [EN]
EN 10226-1 - 2004 		Pipe threads where pressure tight joints are made on the threads - Part 1 : Taper external threads and parallel internal threads - Dimensions, tolerances and designation
27 Self-tapping teeth-BF [ASME/ANSI]
ASME/ANSI B 18.6.3 - 2010 		Self-tapping teeth-BF
28 Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws [ASME]
ASME B 18.6.3 (T4.1.1.4-1) - 2024 		Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws
29 ISO general-purpose metric screw threads─Basic dimensions [ISO]
ISO 724 - 1993 		ISO general-purpose metric screw threads─Basic dimensions
30 Threaded rods(inch series) (A307, F1554, A193, CRES,F593,F468) [ASME/ANSI]
ASME/ANSI B 18.31.3 - 2009 		Threaded rods(inch series) (A307, F1554, A193, CRES,F593,F468)
31 Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation [ISO]
ISO 7-1 - 1994 		Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation
32 Thread Lengths for Types A, AB, B, BF, BP, and BT Tapping Screws [ASME]
ASME B 18.6.3 (T4.3.1-1) - 2024 		Thread Lengths for Types A, AB, B, BF, BP, and BT Tapping Screws
33 ISO general purpose metric screw threads - Tolerances - Part 1: Principles and basic data [ISO]
ISO 965-1 - 2013 		ISO general purpose metric screw threads - Tolerances - Part 1: Principles and basic data
34 Bolted Connections with Reduced Shank; Metric Thread with Large Clearence, Nominal Dimensions and Limits [DIN]
DIN 2510-2 - 1971 		Bolted Connections with Reduced Shank; Metric Thread with Large Clearence, Nominal Dimensions and Limits
35 Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws [ASME]
ASME B 18.6.3 (T4.1.1.2-1) - 2024 		Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws
36 ISO inch screw threads─Basic dimensions [ISO]
ISO 725 - 2009 		ISO inch screw threads─Basic dimensions
37 ISO metric trapezoidal screw threads - Basic and design profiles [ISO]
ISO 2901 - 2016 		ISO metric trapezoidal screw threads - Basic and design profiles
38 Thread Lengths for Types C, D, F, G, T, and TRS Tapping Screws [ASME]
ASME B 18.6.3 (T4.3.2.1) - 2024 		Thread Lengths for Types C, D, F, G, T, and TRS Tapping Screws
39 Fasteners─Bolts,screws and studs─Nominal lengths and thread lengths [ISO]
ISO 888 - 2012 		Fasteners─Bolts,screws and studs─Nominal lengths and thread lengths
40 Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T41) - 2013 		Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws
41 Lag screw threads [Table 16] [ASME/ANSI]
ASME/ANSI B 18.2.1 (T16) - 2010 		Lag screw threads [Table 16]
42 Type AB, Thread Forming Tapping Screws [Table 5] [ASME]
ASME B 18.6.4 (AB) - 1998 (R2005) 		Type AB, Thread Forming Tapping Screws [Table 5]
43 Type A, Thread Forming Tapping Screws [Table E1] [ASME]
ASME B 18.6.4 (A) - 1998 (R2005) 		Type A, Thread Forming Tapping Screws [Table E1]
44 Tapping Screws Thread [ISO]
ISO 1478 - 1999 		Tapping Screws Thread
45 Wood thread [Table 1] [ASME/ANSI]
ASME/ANSI B 18.6.1 (T1) - 1997 		Wood thread [Table 1]
46 Thread and thread ends for wood screws [DIN]
DIN 7998 - 1975 		Thread and thread ends for wood screws
47 Deviations for constructional screw threads [ISO]
ISO 965-3 - 1998 		Deviations for constructional screw threads
48 self-tapping teeth-B [ASME/ANSI]
ASME/ANSI B 18.6.3 - 2010 		self-tapping teeth-B
49 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads一 Taper internal and external threads（eqv ISO 7-1:1994） [GB]
GB /T 7306.2 - 2000 		Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads一 Taper internal and external threads（eqv ISO 7-1:1994）
50 Trapezoidal screw threads - Part 1: Profiles [GB]
GB /T 5796.1 - 2005 		Trapezoidal screw threads - Part 1: Profiles
51 Miniature screw threads : Profiles , general plan and basic dimensions [GB]
GB /T 15054.1 - 2018 		Miniature screw threads : Profiles , general plan and basic dimensions
52 Internal thread for wire thread inserts [GB]
GB /T 24425.5 - 2009 		Internal thread for wire thread inserts
53 Limits of sizes and tolerances for metric coarse screw threads [JIS]
JIS B 0209 - 1997 		Limits of sizes and tolerances for metric coarse screw threads
54 Specification for wood screws [GB]
GB /T 922 - 1986 		Specification for wood screws
55 Pipe Threads with 55 Degree Thread Angle where Pressure-Tight Joints are not Made on the Threads [GB]
GB /T 7307 - 2001 		Pipe Threads with 55 Degree Thread Angle where Pressure-Tight Joints are not Made on the Threads
56 Locking threads with 30 degree wedge ramp [GB]
GB /T 37462 - 2019 		Locking threads with 30 degree wedge ramp
57 Screws thread shanks for thread forming screw-Metric coarse thread series [GB]
GB /T 6559 - 1986 		Screws thread shanks for thread forming screw-Metric coarse thread series
58 General purpose metric screw threads - Limits of sizes [GB]
GB /T 15756 - 2008 		General purpose metric screw threads - Limits of sizes
59 Tapping Screw Threads and Ends [JIS]
JIS B 1125 (1) - 1995 		Tapping Screw Threads and Ends
60 General purpose metric screw threads - Limits of sizes for the screw threads of coarse quality and preferable plan [GB]
GB /T 9146 - 2003 		General purpose metric screw threads - Limits of sizes for the screw threads of coarse quality and preferable plan
61 Tapping screws thread [GB]
GB /T 5280 - 2002 		Tapping screws thread
62 Thread and point details for Type Y thread cutting screws [TABLE 6] [BS]
BS 4174 - 1972 		Thread and point details for Type Y thread cutting screws [TABLE 6]
63 Pipe threads where pressure-tight joints are made on the threads [GB]
GB 7306 - 1987 		Pipe threads where pressure-tight joints are made on the threads
64 Taper pipe threads [JIS]
JIS B 0203 - 1999 		Taper pipe threads
65 Thread and point details for Type A threads [TABLE 23] [BS]
BS 4174 - 1972 		Thread and point details for Type A threads [TABLE 23]
66 The interference-fit threads [GB]
GB /T 1181 - 1998 		The interference-fit threads
67 Parallel screw threads of Whitworth form Requirements [BS]
BS 84 - 2007 		Parallel screw threads of Whitworth form Requirements
68 General purpose metric screw threads - Limit deviations [GB]
GB /T 2516 - 2003 		General purpose metric screw threads - Limit deviations
69 Dryseal pipe threads with the thread angle of 60 degrees [GB]
GB /T 27944 - 2011 		Dryseal pipe threads with the thread angle of 60 degrees
70 Limit gauges for metric screw threads [JIS]
JIS B 0251 - 2008 		Limit gauges for metric screw threads
71 Metric threads where pressure-tight joints are made on the threads [GB]
GB /T 1415 - 2008 		Metric threads where pressure-tight joints are made on the threads
72 General purpose metric screw threads - Tolerances [GB]
GB /T 197 - 2018 		General purpose metric screw threads - Tolerances
73 General purpose metric screw threads - Preferable plan [GB]
GB /T 9144 - 2003 		General purpose metric screw threads - Preferable plan
74 General purpose metric screw threads - Limits of sizes for the screw threads of medium quality and preferable plan [GB]
GB /T 9145 - 2003 		General purpose metric screw threads - Limits of sizes for the screw threads of medium quality and preferable plan
75 General purpose metric screw threads-Basic profile（ISO 68-1:1998, MOD） [GB]
GB /T 192 - 2003 		General purpose metric screw threads-Basic profile（ISO 68-1:1998, MOD）
76 General purpose metric screw threads - The plan for pipe systems [GB]
GB /T 1414 - 2003 		General purpose metric screw threads - The plan for pipe systems
77 The blank diameters for rolling general purpose metric screw threads [GB]
GB /T 18685 - 2017 		The blank diameters for rolling general purpose metric screw threads
78 Run-outs, undercuts and chamfers for general purpose metric screw threads (ISO 3508:1976 / ISO 4755:1983) [GB]
GB /T 3 - 1997 		Run-outs, undercuts and chamfers for general purpose metric screw threads (ISO 3508:1976 / ISO 4755:1983)
79 Tapping screw threads and ends [JIS]
JIS B 1125 (1) - 2003 		Tapping screw threads and ends
80 General purpose metric screw threads - Basic dimenslons [GB]
GB /T 196 - 2003 		General purpose metric screw threads - Basic dimenslons
81 Unified screw threads - General plan [GB]
GB /T 20670 - 2006 		Unified screw threads - General plan
82 Tapping Screw Threads and Ends [JIS]
JIS B 1125 (1) - 2015 		Tapping Screw Threads and Ends
83 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads一 Parallel internal and taper external threads（eqv ISO 7-1:1994） [GB]
GB /T 7306.1 - 2000 		Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads一 Parallel internal and taper external threads（eqv ISO 7-1:1994）
84 The threads for transition fit [GB]
GB 1167 - 1996 		The threads for transition fit
85 Buttress Thread with the Flank Angles of 3 and 30 Degrees - Part 1: Profiles [GB]
GB /T 13576.1 - 2008 		Buttress Thread with the Flank Angles of 3 and 30 Degrees - Part 1: Profiles
86 Metric triangle lock thread-P type [Others]
YJT 1029 - 2012 		Metric triangle lock thread-P type
87 Metric triangle lock thread-B type [Others]
YJT 1028 - 2012 		Metric triangle lock thread-B type
88 Metric triangle lock thread-C type [Others]
YJT 1027 - 2012 		Metric triangle lock thread-C type
89 Metric triangle lock thread-S type [Others]
YJT 1026 - 2012 		Metric triangle lock thread-S type
90 US triangle lock thread-S type [Others]
YJT 1025 - 2012 		US triangle lock thread-S type
91 Threaded insert, coated with precote 80 microcapsules recommended lengths [YJT]
YJT 5028 		Threaded insert, coated with precote 80 microcapsules recommended lengths
92 ISO general purpose metric screw threads - General plan [IS]
IS 4218 (-2) - 2001 		ISO general purpose metric screw threads - General plan
93 Screw Threads for Thread Forming Tapping Screws - Dimensions [IS]
IS 5957 - 2003 		Screw Threads for Thread Forming Tapping Screws - Dimensions
94 Screw Threads - UNJ Profile, Inch [SAE]
SAE AS 8879 - 2001 		Screw Threads - UNJ Profile, Inch