Approved Laboratory List
Tokyo Byokane Co.,Ltd. Laboratory


Laboratory Listing by Accreditation Body
Laboratory Listing by Country & State
Laboratory Listing by Lab Name

Lab Code: JABLT00320
Lab Name: Tokyo Byokane Co.,Ltd. Laboratory
Accrediting Body: The Japan Accreditation Board
Laboratory Contact:
Mr. Tomohiro Souda
5-14,2-chome,Yokoami,Sumida-ku,Tokyo
Tokyo, 130-0015
Phone: +81-3-3626-8713
Fax: +81-3-3626-8714
E-Mail:

Dimensional Inspection


Dimensional Inspection


Dimensions of fasteners - concentricity


JIS B1071 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Method of Verification for Size and Geometry of Threaded Fasteners

JIS B1256 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Plain Washers

External thread parameters - system 21


JIS B1071 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Method of Verification for Size and Geometry of Threaded Fasteners

Dimensions of fasteners - flatness


JIS B1256 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Plain Washers

Internal thread parameters - system 21


JIS B1071 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Method of Verification for Size and Geometry of Threaded Fasteners

Mechanical and Physical Testing and Inspection


Coating


Measurement of fastener coating thickness - X-ray methods


JIS B1044 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Threaded Components - Electroplated Coatings

JIS H8501 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Methods of Thickness Test for Metallic Coatings

JIS H8645 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Measurement of Fastener Coating Thickness - X-ray methods

Corrosion


Salt spray testing of fasteners


JIS H8502 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Methods for Corrosion Resistance Test for Metallic Coatings

JIS Z2371 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Methods of Neutral Salt Spray Testing

Hardness


Microhardness of fasteners


JIS B1051 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Mechanical Properties of Steel Bolts and Screws; Section 4.2.5, Hardness Test

JIS Z2244 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Method of Vickers Hardness Test

Tensile


Axial tensile strength of full-size threaded fasteners


JIS B1051 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Mechanical Properties of Steel Bolts and Screws; Sec. 4.2.2, Tensile Test of a Product

Wedge tensile strength of full-size threaded fasteners


JIS B1051 -
STATUS: Accredited
Start Date: 04/03/1998 Eff. Date: 04/03/1998 Exp. Date: 04/02/1999
Mechanical Properties of Steel Bolts and Screws; Sec. 4.2.3, Wedge Tensile Test