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Unit:mm

Cross Recessed Pan Head Tapping Screws

GB /T 845 - 1985

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国标GB /T845 - 1985 GB845 845GB Cross Recessed Pan Head Tapping Screws
Download CAD Model*
国标GB /T845 - 1985 GB845 845GB Cross Recessed Pan Head Tapping Screws
Download CAD Model*

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Screw Thread
d
ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5
P Pitch
a max
dk max
min
k max
min
Socket No.
M1 Type H Ref.
Penetration depth Type H min
max
M2 Type Z Ref.
Penetration depth Type Z min
max
y Ref. Type C
Ref. Type F
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
4 5.6 7 8 9.5 11 12 16 20
3.7 5.3 6.64 7.64 9.14 10.57 11.57 15.57 19.48
1.6 2.4 2.6 3.1 3.7 4 4.6 6 7.5
1.4 2.15 2.35 2.8 3.4 3.7 4.3 5.6 7.1
0 1 2 2 2 3 3 4 4
1.9 3 3.9 4.4 4.9 6.4 6.9 9 10.1
0.85 1.4 1.4 1.9 2.4 2.6 3.1 4.15 5.2
1.2 1.8 1.9 2.4 2.9 3.1 3.6 4.7 5.8
2 3 4 4.4 4.8 6.2 6.8 8.9 10.1
0.95 1.45 1.5 1.95 2.3 2.55 3.05 4.05 5.25
1.2 1.75 1.9 2.35 2.75 3 3.5 4.5 5.7
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
Weight of per 1000 steel products(≈kg)
- - - - - - - - -

Alternative history

GB 845 - 1976 GB /T 845 - 1985 GB /T 845 - 2017

Similar Standards

1 Cross-recessed Pan Head Tapping Screws [DIN EN ISO]
DIN EN ISO 7049 - 2011 		Cross-recessed Pan Head Tapping Screws

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2 Cross Recessed Pan Head Tapping Screws [ISO]
ISO 7049 - 1983 		Cross Recessed Pan Head Tapping Screws

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3 Cross Recessed Pan Head Tapping Screws [DIN]
DIN 7981 - 1990 		Cross Recessed Pan Head Tapping Screws

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4 Cross Recessed Pan Head Tapping Screws [ISO]
ISO 7049 - 2011 		Cross Recessed Pan Head Tapping Screws

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5 Cross Recessed Pan Head Tapping Screws [GB]
GB /T 845 - 2017 		Cross Recessed Pan Head Tapping Screws

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6 Cross recessed pan head self-tapping screws [GB]
GB 845 - 1976 		Cross recessed pan head self-tapping screws

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7 Type II Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F4] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F4]
8 Type I Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 32] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 32]
9 Type I Cross Recessed Round Head Tapping Screws - Type C Thread Forming [Table G2] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Round Head Tapping Screws - Type C Thread Forming [Table G2]
10 Cross Recessed Pan Head Tapping Screws With Collar [DIN]
DIN 968 - 1994 		Cross Recessed Pan Head Tapping Screws With Collar
11 Type I Cross Recessed Round Head Tapping Screws - Type A Thread Forming [Table G2] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Round Head Tapping Screws - Type A Thread Forming [Table G2]
12 Type II Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 38] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 38]
13 Type II Cross Recessed Round Head Tapping Screws - Type C Thread Forming [Table G3] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Round Head Tapping Screws - Type C Thread Forming [Table G3]
14 Cross Recessed Round Head Tapping Screws - Type AB and ABR [ASME]
ASME B 18.6.3 (T36-I/T36-IA+T40) - 2013 		Cross Recessed Round Head Tapping Screws - Type AB and ABR
15 Type I Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F2] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F2]
16 Type I Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 32] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 32]
17 Type II Cross Recessed Round Head Tapping Screws - Type A Thread Forming [Table G3] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Round Head Tapping Screws - Type A Thread Forming [Table G3]
18 Type II Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 34] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 34]
19 Metric cross recessed pan head tapping screws [Table 17] [ASME]
ASME B 18.6.5M - 2000 (R2010) 		Metric cross recessed pan head tapping screws [Table 17]
20 Type IA Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 33] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 33]
21 Type I Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 36] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 36]
22 Type IA Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 37] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 37]
23 Type I Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F2] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F2]
24 Type II Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 34] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 34]
25 Type II Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 38] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 38]
26 Type I Cross Recessed Round Head Tapping Screws - Type B and BP Thread Forming [Table G2] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Round Head Tapping Screws - Type B and BP Thread Forming [Table G2]
27 Type II Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 34] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 34]
28 Type II Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F4] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F4]
29 Cross Recessed Pan Head Tapping Screws With Collar [DIN]
DIN 968 - 2008 		Cross Recessed Pan Head Tapping Screws With Collar
30 Type I Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 32] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 32]
31 Type IA Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 37] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 37]
32 Type I Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 32] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 32]
33 Type IA Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 33] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 33]
34 Type I Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 36] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 36]
35 Type II Cross Recessed Round Head Tapping Screws - Type B and BP Thread Forming [Table G3] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Round Head Tapping Screws - Type B and BP Thread Forming [Table G3]
36 Type II Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 38] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 38]
37 Cross Recessed Pan Head Tapping Screws With Collar [DIN]
DIN 968 - 2002 		Cross Recessed Pan Head Tapping Screws With Collar
38 Type IA Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F3] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F3]
39 Type I Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F2] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F2]
40 Type II Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 34] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 34]
41 Type IA Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 37] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 37]
42 Type I Cross Recessed Pan Head Tapping Screws - Type AB and ABR [ASME]
ASME B 18.6.3 (T18-I/T19-IA+T40) - 2013 		Type I Cross Recessed Pan Head Tapping Screws - Type AB and ABR
43 Type II Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F4] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F4]
44 Metric Type IA Cross-Recessed Pan Head Tapping Screws [Table 18] [ASME]
ASME B 18.6.5M - 2000 (R2010) 		Metric Type IA Cross-Recessed Pan Head Tapping Screws [Table 18]
45 Type II Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F4] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F4]
46 Machine Screw and Tapping Screw Nuts (Inch Seires) [ASME/ANSI]
ASME/ANSI B 18.6.3 - 2010 		Machine Screw and Tapping Screw Nuts (Inch Seires)
47 Cross recessed raised cheese head tapping screws - Type AB and ABR [ASME]
ASME B 18.6.3 (T22-I/T22-IA+T40) - 2013 		Cross recessed raised cheese head tapping screws - Type AB and ABR
48 Type IA Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 33] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 33]
49 Type I Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 36] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 36]
50 Type IA Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F3] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F3]
51 Type II Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 38] [ASME]
ASME B 18.6.4 - 1998 		Type II Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 38]
52 Cross Recessed Mushroom Head Tapping Screws - Type AB and ABR [ASME]
ASME B 18.6.3 (T25-I/T25-IA+T40) - 2013 		Cross Recessed Mushroom Head Tapping Screws - Type AB and ABR
53 Type I Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F2] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F2]
54 Machine Screw and Tapping Screw Nuts (Inch Seires) [ASME/ANSI]
ASME/ANSI B 18.6.3 - 2010 		Machine Screw and Tapping Screw Nuts (Inch Seires)
55 Type IA Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F3] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F3]
56 Type IA Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 33] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 33]
57 Type IA Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 37] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 37]
58 Type I Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 36] [ASME]
ASME B 18.6.4 - 1998 		Type I Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 36]
59 Type IA Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F3] [ASME]
ASME B 18.6.4 - 1998 		Type IA Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F3]
60 Cross recessed round head Tapping Screws With Collar - Type AB and ABR [ASME]
ASME B 18.6.3 (T39-I+T40) - 2013 		Cross recessed round head Tapping Screws With Collar - Type AB and ABR
61 Pan head tapping screws [JIS]
JIS B 1115 (P) - 1995 		Pan head tapping screws
62 Cross Recessed Pan Head Tapping Screws [NF]
NF E 25-658 - 1994 		Cross Recessed Pan Head Tapping Screws
63 Corss Recessed Flange Head Self-Tapping Screws [Table 19] [BS]
BS 4174 - 1972 		Corss Recessed Flange Head Self-Tapping Screws [Table 19]
64 Cross Recessed Pan Head Tapping Screws [UNI]
UNI 6954 		Cross Recessed Pan Head Tapping Screws
65 Cross Recess Pan Head Self-Tapping Screws [Table 17] [BS]
BS 4174 - 1972 		Cross Recess Pan Head Self-Tapping Screws [Table 17]
66 Cross Recessed Brazier Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 6] [JIS]
JIS B 1122 (AAT6) - 1996 		Cross Recessed Brazier Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 6]
67 Recessed raised cheese (fillister) thread forming screws for plastic materials (Metric series） [UNI]
UNI 10227 - 1993 		Recessed raised cheese (fillister) thread forming screws for plastic materials (Metric series）
68 Cross Recessed Truss Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 4] [JIS]
JIS B 1122 (AAT4) - 1996 		Cross Recessed Truss Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 4]
69 Cross Recessed Pan Head Tapping Screws - threaded portion are of class 1 to 4 [Annex Attached Table 1] [JIS]
JIS B 1122 (AAT1) - 1996 		Cross Recessed Pan Head Tapping Screws - threaded portion are of class 1 to 4 [Annex Attached Table 1]
70 Cross Recessed Cheese Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 5] [JIS]
JIS B 1122 (AAT5) - 1996 		Cross Recessed Cheese Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 5]
71 Cross Recessed Pan Head Tapping Screws [Table 1] [JIS]
JIS B 1122 (AT1) - 1996 		Cross Recessed Pan Head Tapping Screws [Table 1]
72 Round Washer Head with Type H or Type Z Cross Recess Self-tapping Screw [DELTA PT Thread] [YJT]
YJT 4024 (WN 5411) 		Round Washer Head with Type H or Type Z Cross Recess Self-tapping Screw [DELTA PT Thread]
73 Cross Recessed Pan Head Tapping Screws [KS]
KS B 1032 - 2001 		Cross Recessed Pan Head Tapping Screws
74 Cross Recessed Pan Head Tapping Screws [KS]
KS B 1032 - 2016 (R2021) 		Cross Recessed Pan Head Tapping Screws
75 Cross Recessed Pan Head Tapping Screws [CNS]
CNS 4305 - 2000 		Cross Recessed Pan Head Tapping Screws
76 ISO metric cross recessed pan head tapping screws [AS]
AS /NZS 4406 - 1996 		ISO metric cross recessed pan head tapping screws
77 Cross Recessed Pan Head Tapping Screws With Collar [PT-K Thread] [YJT]
YJT 4054 (WN1411C-1) 		Cross Recessed Pan Head Tapping Screws With Collar [PT-K Thread]
78 Cross Recessed Pan Head Tapping Screws With Collar [PT-K Thread] [YJT]
YJT 4055 (WN1411C-2) 		Cross Recessed Pan Head Tapping Screws With Collar [PT-K Thread]
79 Cross recessed pan head Tapping screws [PT-K Thread] [YJT]
YJT 4056 (WN1412C-1) 		Cross recessed pan head Tapping screws [PT-K Thread]
80 Cross recessed pan head Tapping screws [PT-K Thread] [YJT]
YJT 4057 (WN1412C-2) 		Cross recessed pan head Tapping screws [PT-K Thread]