Specification

•  Made from 304 stainless steel, these cap nuts have good chemical resistance and may be mildly magnetic. Also known as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance.

•  Made from 316 stainless steel, these nuts have excellent resistance to chemicals and salt water. Also known as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance. They may be mildly magnetic.

•  Often referred to as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance. About half the strength of medium-strength steel cap nuts, use them in light duty fastening applications, such as securing access panels.
•  Zinc-plated steel cap nuts resist corrosion in wet environments.
•  Chrome-plated steel cap nuts have excellent resistance to chemicals and salt water and have a decorative metallic finish.

•  Often referred to as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance. They're about 25% stronger than medium-strength steel cap nuts and comparable in strength to Class 10.9 bolts. A zinc plating provides corrosion resistance in wet environments.

DIN 1587 - Hexagon domed cap nuts

Current norm: DIN 1587
Equivalent norms: PN 82181; UNI 5721;

Legend:

s - size of the hexagon
t - length of the thread
d - the nominal diameter of the thread
h - height of the nut
m - hight of the nut part
dk - head diameter
da - Turning diameter shrinkage
dw - contact surface diameter
mw - minimum wrenching height

Makings:QBH

Steel: 6
Stainless: A2, A4
Plastic: Plastic Pa
Non Ferrous: Brass
Thread: 6H

Notes:
 

Table according to DIN 1587:

dimensions in mm

Materials and Chemical compstition

Carbon steel

1008

1035

10B21

1045

40CR

35CRMO

42CRMO

Stainless steel

Carbon steel surface

PLAIN ZP YZP BLACK HDG DACROMET GEOMET CHROME NICKEL AND SO ON

PACKING

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

QBH PALLET TYPE

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

MECHANICAL PROPERTY

TESTING STANDARD:DIN267- 4 OR ISO898-2

The advantages of QBH

• QBH brand sales to the main quality assurance.
• Years of export trade management, excellent service, word-of-mouth guarantee.
• By working with TUV,escort for quality.
• Customization of non-standard parts can be made according to customer's requirements and drawings.
• For quality customers,we can provide a certain credit period.
   

Product Description

The Acorn Center Lock nut machined from bar or if volumes and size allow, can be cold formed. Acorn locknuts are produced by installing 2 deflections in opposite flats precisely in the center the nut hex. Low Profile Acorn locknuts are not required to meet the thread start or torque requirements of Full Hex Center locknuts.

Applications

The Acorn locknut is used for either decorative purposes and/or to protect from scratches when surfaces would otherwise encounter exposed screw threads. Acorn Center locknuts are typically found in furniture, medical and recreational vehicle assemblies. Mating parts must extend at least one thread past the locking element to assure locking element engagement.