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发布日期:2021年11月30日
FLAT HEAD WOOD SCREW SIZES

Flat head wood screw sizes and dimensions are shown in the following charts according to ANSI B18.6.1-1981 standard for slotted, Phillips, Frearson and Pozidriv drives.

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The designation of flat head wood screws shall be in following format: Nominal size; product name, including head style and driving provision; material; and finish. Ex: 8 x 7/8 Slotted Flat Countersunk Head Wood Screw, Steel

- Standard lengths of wood screws are given below.

Nominal Screw Length Nominal Length Increment Tolerance on Length
Plus Minus
Up to 5/8 in., incl 1/8 0 0.03
Over 5/8 to 1 in., incl 1/8 0 0.05
Over 1 to 1 1/2 in., incl 1/4 0 0.05
Over 1 1/2 to 2 3/4 in., incl 1/4 0 0.06
Over 2 3/4 in 1/2 0 0.09

Flat head wood screw sizes and dimensions:

INPUT PARAMETERS
Screw Size Number


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Dimensions of Slotted Flat Countersunk Head Wood Screws
Dimensions of Slotted Flat Countersunk Head Wood Screws
Parameter Value
Nominal Size Number ---
Decimal ---
Head Diameter Amax ---
Amin ---
Head Height Href ---
Slot Width Jmax ---
Jmin ---
Slot Depth Tmax ---
Tmin ---
Fillet Radius Rmax ---
Dimensions of Phillips (Type I Cross) Recessed Flat Countersunk Head Wood Screws
Dimensions of Phillips (Type I Cross) Recessed Flat Countersunk Head Wood Screws
Nominal Size Number ---
Decimal ---
Head Diameter Amax --- 亚洲成色综合网站在线高清完整视频 亚洲成色综合网站 亚洲成色综合网站在线高清完整视频 亚洲成色综合网站 ,岛国在线无码免费观在线观看 岛国在线无码免费观无 岛国在线无码免费观在线观看 岛国在线无码免费观无 ,使劲真大用力再深点在线观看 使劲真大用力再深点无 使劲真大用力再深点在线观看 使劲真大用力再深点无
Amin ---
Head Height Href ---
Recess Diameter Mmax ---
Mmin ---
Recess Depth Tmax ---
Tmin ---
Recess Width Nmin ---
Driver Size --- ---
Recess Penetration Gaging Depth Max ---
Min ---
Fillet Radius R亚洲成色综合网站在线高清完整视频 亚洲成色综合网站 亚洲成色综合网站在线高清完整视频 亚洲成色综合网站 ,岛国在线无码免费观在线观看 岛国在线无码免费观无 岛国在线无码免费观在线观看 岛国在线无码免费观无 ,使劲真大用力再深点在线观看 使劲真大用力再深点无 使劲真大用力再深点在线观看 使劲真大用力再深点无 max ---
Dimensions of Pozidriv (Type IA Cross) Recessed Flat Countersunk Head Wood Screws
Dimensions of Pozidriv (Type IA Cross) Recessed Flat Countersunk Head Wood
Nominal Size Number ---
Decimal ---
Head Diameter Amax ---
Amin ---
Head Height Href ---
Recess Diameter Mmax ---
Mmin ---
Recess Depth Tmax ---
Tmin ---
Recess Width Nmin ---
Driver Size --- ---
Recess Penetration Gaging Depth Max ---
Min ---
Fillet Radius Rmax ---
Dimensions of Frearson (Type II Cross Recessed) Flat Countersunk Head Wood Screws
Dimensions of Frearson (Type II Cross Recessed) Flat Countersunk Head Wood Screws
Nominal Size Number ---
Decimal ---
Head Diameter Amax ---
Amin ---
Head Height Href ---
Recess Diameter Mmax ---
Mmin ---
Recess Depth Tmax ---
Tmin ---
Recess Width Nmin ---
Driver Size --- ---
Recess Penetration Gaging Depth Max ---
Min ---
Fillet Radius Rmax ---

Supplements:

Link Usage
Wood Screw Sizes Wood screw sizes and thread dimensions according to ANSI B18.6.1-1981 standard.

Reference:

  • ANSI B18.6.1 - 1981, Wood Screws (INCH SERIES)