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J C Gupta & Sons

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Black Coated Fasteners

Black Nuts

Adding to our ever growing range are BLACK Stainless Steel Fasteners.

This finish is very useful in reducing light reflection from parts and providing an integrated finish to black coloured products and parts.

The coating reduces friction of moving parts, preventing galling and scoring.

With negligible dimensional build up, smooth screw assembly is assured.

At present, we have a wide range of black fasteners in stock including PAN Phillips and CSK Phillips screws in Metric Threads, thread forming screws, along with nuts and washers.

Other screws can also be provided in black on order.

Black Fasteners Datasheets

DIN 965 Countersunk Phillips Screws

DIN 965 CSK Phillips SS-304 A2 Black U4B05 – Download Datasheet
DIN 965 CSK Phillips SS-316 A4 Black U6B05 – Download Datasheet

Also available in Micro sizes

Micro CSK Phillips SS-304 A2 Black U4B05-micro – Download Datasheet
Micro CSK Phillips SS-316 A4 Black U6B05-micro – Download Datasheet

DIN 7985 Pan Phillips Screws

DIN 7985 Pan Phillips SS-304 A2 Black U4B04 –Download Datasheet
DIN 7985 Pan Phillips SS-316 A4 Black U6B04 –Download Datasheet

Also available in Micro sizes

Micro Pan Phillips SS-304 A2 Black U4B04-micro –Download Datasheet
Micro Pan Phillips SS-316 A4 Black U6B04-micro –Download Datasheet

DIN 934 Hex Nuts

DIN-934 Hex Nut SS-304 A2 Black U4C31 – Download Datasheet
DIN-934 Hex Nut SS-316 A4 Black U6C31 – Download Datasheet

DIN 982 Nylock Nuts

DIN-982 Nylock Nut SS-304 A2 Black U4C33 – Download Datasheet
DIN-982 Nylock Nut SS-316 A4 Black U6C33 – Download Datasheet

DIN 1587 Dome Nuts

DIN-1587 Dome Nut SS-304 A2 Black U4C36 – Download Datasheet
DIN-1587 Dome Nut SS-316 A4 Black U6C36 – Download Datasheet

Wing Nuts

Wing Nut Type A SS-304 A2 Black U4C47 – Download Datasheet
Wing Nut Type A SS-316 A4 Black U6C47 – Download Datasheet

DIN 125 Plain Washers

DIN 125 Plain Washers SS-304 A2 Black U4D02 – Download Datasheet
DIN 125 Plain Washers SS-316 A4 Black
U6D02 – Download Datasheet

DIN 433 Smaller OD Washers

DIN 433 Plain Washers Small OD SS-304 A2 Black U4D10 – Download Datasheet
DIN 433 Plain Washers Small OD SS-316 A4 Black
U6D10 – Download Datasheet

DIN 9021 Large Washers

DIN 9021 Plain Large Washers SS-304 A2 Black U4D03 – Download Datasheet

DIN 7980 Spring Washers

DIN 7980 Square Spring Washers SS-301 Black U9D05 – Download Datasheet
DIN 7980 Square Spring Washers SS-316 A4 Black U6D05 – Download Datasheet

DIN 127B Spring Washers

DIN 127B Flat Spring Washers SS-301 Black U9D06 – Download Datasheet
DIN 127B Flat Spring Washers SS-316 A4 Black U6D06 – Download Datasheet

DIN 933 Hex Screws

DIN 933 Hex Screws SS-304 A2 Black U4A21 – Download Datasheet
DIN 933 Hex Screws SS-316 A4 Black U6A21 – Download Datasheet

DIN 912 Allen Cap Screws

DIN 912 SHCS SS-304 A2 Black U4A01 – Download Datasheet
DIN 912 SHCS SS-316 A4 Black U6A01 – Download Datasheet
ASME-B18.3-1 UNC SHCS SS-304 A2 Black U4uA01 – Download Datasheet
DIN 912 Half-Thread SHCS SS-304 A2 Black U4A02 – Download Datasheet
DIN 912 Half-Thread SHCS SS-316 A4 Black U6A02 – Download Datasheet

JCPlas Thread Forming Screws for use in Plastics

Thread Forming Screw for Plastic Pan Phillips SS-304 A2 BLACK U4B66 – Download Datasheet
Thread Forming Screw for Plastic CSK Phillips SS-304 A2 BLACK U4B67 – Download Datasheet
Thread Forming Screw for Plastic Pan 6-Lobe SS-304 A2 BLACK U4B72 – Download Datasheet
Thread Forming Screw for Plastic CSK 6-Lobe SS-304 A2 BLACK U4B73 – Download Datasheet
Thread Forming Screw for Plastic Pan 6-Lobe with Flange SS-304 A2 BLACK U4B74 – Download Datasheet

DIN 7982C Countersunk Phillips Self Tapping Screws

DIN 7982C Countersunk Phillips Self Tapping Screws SS-304 A2 Black U4B33 – Download Datasheet
DIN 7982C Countersunk Phillips Self Tapping Screws SS-316 A4 Black U6B33 – Download Datasheet

Also available in Micro sizes

Micro CSK Phillips Self Tapping Screws SS-304 A2 Black U4B33-micro- Download Datasheet
Micro CSK Phillips Self Tapping Screws SS-316 A4 Black U6B33-micro- Download Datasheet

DIN 7981C Pan Phillips Self Tapping Screws

DIN 7981C Pan Phillips Self Tapping Screws SS-304 A2 Black U4B31 – Download Datasheet
DIN 7981C Pan Phillips Self Tapping Screws SS-316 A4 Black U6B31 – Download Datasheet

Also available in Micro sizes

Micro Pan Phillips Self Tapping Screws SS-304 A2 Black U4B31-micro- Download Datasheet
Micro Pan Phillips Self Tapping Screws SS-316 A4 Black U6B31-micro- Download Datasheet

ISO 14581 Countersunk 6-Lobe Screws

ISO 14581 CSK 6-Lobe Machine Screws SS-304 A2 Black U4B09 – Download Datasheet
ISO 14581 CSK 6-Lobe Machine Screws SS-316 A4 Black U6B09 – Download Datasheet

ISO 14581 Countersunk 6-Lobe Screws

ISO 14583 Pan 6-Lobe Machine Screws SS-304 A2 Black U4B08 – Download Datasheet
ISO 14583 Pan 6-Lobe Machine Screws SS-316 A4 Black U6B08 – Download Datasheet

ISO 7380-1 Allen BHCS Screws

ISO 7380-1 Allen BHCS SS-304 A2 Black U4A04 – Download Datasheet
ISO 7380-1 Allen BHCS SS-316 A4 Black U6A04 – Download Datasheet

ISO 7380-1 Torx Button Head Cap Screws

ISO 7380-1 BHCS 6-Lobe SS-304 A2 Black U4A29 – Download Datasheet
ISO 7380-1 BHCS 6-Lobe SS-316 A4 Black U6A29 – Download Datasheet

ISO 7380-2 Torx Button Head Cap Screws with Flange

ISO 7801-2 Flanged BHCS 6-Lobe Machine Screws SS-304 A2 Black U4A34 – Download Datasheet

JCSlim Ultra Low Profile Screws

JCSlim Low Profile Screws SS-304 A2 Black U4A35 – Download Datasheet

JCSlim Low Profile Screws Narrow SS-304 A2 Black U4A36 – Download Datasheet

DIN 963 Slotted Countersunk Screws

DIN 963 Slotted CSK Machine Screws SS-304 A2 Black U4B02- Download Datasheet

DIN 84 Slotted Cheese Head Screws

DIN 84 Slotted CHS Machine Screws SS-304 A2 Black U4B01- Download Datasheet

ISO 10642 (Previously DIN 7991) Allen Countersunk Head Screws

ISO 10642 (Formerly DIN 7991) Allen CSK SS-304 A2 Black U4A05 – Download Datasheet
ISO 10642 (Formerly DIN 7991) Allen CSK SS-316 A4 Black U6A05 – Download Datasheet

ISO 4028 or DIN 915 Grub Screws with Dog Point

DIN 915 Grub Screw Dog PT SS-304 A2 Black U4A08 – Download Datasheet
DIN 915 Grub Screw Dog PT SS-316 A4 Black U6A08 – Download Datasheet

ISO 4029 or DIN 916 Grub Screws with Cup Point

DIN 916 Grub Screw Cup Point SS-304 A2 BLACK U4A07 – Download Datasheet

Pan Philips Screws with Washer

Pan Phillips with Washer WW SS-304 A2 Black U4B15 –Download Datasheet
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