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JF Engineering Products LLP

ASTM A240 Spring Lock Washer Fasteners - Stainless Steel 304

ASTM 240 Stainless Steel 304/304L Spring Lock Washer Fastener, ASTM A240 SS 316/316L/316H Spring Lock Washer fasteners, ASTM A240 347/347H/ 317L Spring Lock Washer fasteners, Brass C270000 Spring Lock Washer fasteners, Duplex Steel S31803/S32205 Spring Lock Washer fasteners, Hastelloy B2/B3/C22 Spring Lock Washer fasteners, Incoloy 800/800H/800HT Spring Lock Washer fasteners, Inconel 600/601 Spring Lock Washer fasteners, Monel 400/K500 Spring Lock Washer fasteners, Nickel Alloy 200/201 Spring Lock Washer fasteners

JF Engineering is the major Organization in offering Spring Lock Washer fasteners to the clients. Flat Washer is manufactured by utilizing the supreme quality material under the supervision of experienced team as per national and international market standards. This product is stringently checked by the quality auditors on well defined parameters.

Spring lock washer has amazing features such as sturdiness, easy to install and dimensionally accurate. They use in various applications as they will “lock” the nut/bolt to the joint and stop loosening. We have a vast range of flat washer, which is manufactured using quality material and many clients appreciate our product because of its high tensile strength, durability and corrosion resistance. Spring lock washers are available in different size such as stainless steel and alloy steel.

Specification

- Stainless Steel Grades : B 8 (304), B 8C (SS 347), B 8M (SS 316), B 8 T (SS 321), A 2, A 4;
- Alloy Steel Grades : B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M.

Technical Specification

Lock Washers Dimensions

Bolt Size A B C Weight (lbs.) Per 100 Pieces Part Numbers
Inside Diameter Max Outside Diameter Max Thickness Domestic Import
Min Black Galvanized Black Galvanized
1⁄2 0.512 0.869 0.125 1.3 11921 11922 11899 11900
5⁄8 0.641 1.073 0.156 2.4 11923 11924 11901 11902
3⁄4 0.766 1.265 0.188 4.3 11925 11926 11903 11904
7⁄8 0.894 1.459 0.219 6.0 11927 11928 11905 11906
1 1.024 1.656 0.250 8.8 11929 11930 11907 11908
11⁄8 1.153 1.847 0.281 12 - - 11909 11910
11⁄4 1.280 2.036 0.312 16 11931 11932 11911 11912
13⁄8 1.408 2.219 0.344 21.9 - - 11913 11914
11⁄2 1.534 2.419 0.375 28.2 11933 11934 11915 11916
13⁄4 1.789 2.679 0.389 30.35 - - 11917 11918
2 2.039 2.936 0.422 32.50 - - 11919 11920
21⁄4 2.293 3.221 0.440 39 - - 17497 17498
21⁄2 2.543 3.471 0.440 45 - - 19214 17499
23⁄4 2.793 3.824 0.458 50 - - 17501 17502
3 3.043 4.074 0.458 56 - - - -
Dimensions per ANSI B18.21.1 1999
Specifications:  
MFG. Standard IS/ANSI/ASME/DIN
Range Size M3 - M48 and also available in all customized sizes.
Material(All Grade) Stainless Steel
Grade: ASTM 182 , ASTM 193, ASTM 194, B8 (304), B8C (SS347), B8M (SS316), B8T (SS321), A2, A4, 304 / 304L / 304H, 310, 310S, 316 / 316L / 316H / 316 Ti, 317 / 317L, 321 / 321H, A193 B8T 347 / 347 H, 431, 410
Carbon Steel
Grade: ASTM 193, ASTM 194, B6, B7/ B7M, B16, 2, 2HM, 2H, Gr6, B7, B7M
Alloy Steel
Grade: ASTM 320 L7, L7A, L7B, L7C, L70, L71, L72, L73
Brass
Grade: C270000
Naval Brass
Grade: C46200, C46400
Copper
Grade: 110
Duplex & Super Duplex
Grade: S31803, S32205
Aluminium
Grade: C61300, C61400, C63000, C64200
Hastelloy
Grade: Hastalloy B2, Hastalloy B3, Hastalloy C22, Hastalloy C276, Hastalloy X
Incoloy
Grade: Incoloy 800, Inconel 800H, 800HT
Inconel
Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718
Monel
Grade: Monel 400, Monel K500, Monel R-405
High Tensile Bolt
Grade: 9.8, 12.9, 10.9, 19.9.3
CUPRO-Nickel
Grade: 710, 715
Nickel Alloy
Grade: UNS 2200 (Nickel 200) / UNS 2201 (Nickel 201), UNS 4400 (Monel 400), UNS 8825 (Inconel 825), UNS 6600 (Inconel 600) / UNS 6601 (Inconel 601), UNS 6625 (Inconel 625),UNS 10276 (Hastelloy C 276), UNS 8020 (Alloy 20 / 20 CB 3)
Surface Finish Blackening, Cadmium zinc plated, Galvanized, Hot dip Galvanized, Nickel Plated, Buffing, etc.
Application All Industry
Die forging Closed die forging, open die forging, and hand forging.
Threads Metric, BSW, BSF, UNC, UNF, and as per costumers requirement.

Marking and Packing

Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All pipes are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.

Quality Assurance

At JF Engineering Products LLP, all fasteners are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Test Certificates

Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

Shipping Policy

Delivery time and delivery dates are based on the "type and quantity" of steel ordered. Our sales team will provide a delivery schedule when quoting to you. On rare occasions the delivery schedule may change so please check with our sales department when placing any orders.

Orders will be sent out within 2-3 business days, and may take up to 5-10 business days in transit. If fastener is out of stock, orders may take up to 2-4 weeks to ship. JF Engineering Products LLP will notify buyer if this situation occurs..

Uses & Application

JF Engineering Products LLP take immensure pleasure in introducing itself as one of the leading Manufacturer & Exporter of high quality fasteners to meet the customer ultimate requirements in the fields of:

Chemical Oil Mills Petrochemical Mining Refineries Construction
Fertilizers Shipbuilding Power Plant Steel Plant Nuclear Power Offshore
Oil & Gas Defence Paper Ports Breweries Railway
Cement Engineering Co. Sugar & Government Org. etc.

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