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Stainless Carbon Steel Hex Hexagon Round Bugle Slotted Head Coarse Thread Drywall Furniture Wood Self Tapping Drilling Roofing Ring Anchor Chipboard Screws

Jiaxing City Qunbang Hardware Co., Ltd.
  • Type：Hexagon Head
  • Groove：Cinquefoil

Base Info

  • Model NO.：QBH-DIN571
  • Connection：Common Bolt
  • Head Style：Hexagonal
  • Standard：DIN, GB, ANSI, JIS, DIN, ASME, Ifi, as, ISO
  • Application 1：Furniture Screw
  • Application 2：Screw Fastener
  • Standard 1：DIN571
  • Item：Self Tapping Screw
  • Transport Package：25kg,Carbon
  • Specification：M3-M30
  • Trademark：QBH
  • Origin：China
  • HS Code：73181600
  • Production Capacity：300ton,Montth
  • Package size per unit product：26.00cm * 26.00cm * 14.00cm
  • Gross weight per unit product：25.000kg

Description

Thread456-7810121620dsnominal
size max.4567810121620min.3,524,525,526,427,429,4211,315,319,3damax.567,28,210,212,215,219,224,4knominal
size2,83,5455,5781013max.3,13,884,385,385,887,458,4510,4513,9min.2,53,133,634,635,136,557,559,5512,1snominal
size7810121317192430max.7810121317192430min.6,647,649,6411,5712,5716,5718,4823,1629,16emin.7,58,6310,8913,0714,218,7220,8826,1732,95l weight kg/1000pcsnominal
sizemin.max.1615,116,91,71292       2018,9521,052,013,425,02      2523,9526,052,414,025,82 11,5    3028,9531,052,814,626,62 12,923,6   3533,7536,253,115,127,42 14,225,836,2  4038,7541,253,515,828,22 15,62839,2  4543,7546,25  8,94 16,93042,1  5048,7551,25  9,64 18,232,145,484,1 5553,556,5  10,5 19,634,348,689,7 6058,561,5  11,2 20,936,551,894,91656563,566,5    22,238,554,799,51747068,571,5    23,640,757,81071827573,576,5    2542,9611121928078,581,5    26,545,264,51182019088,2591,75    29,449,97113022010098,25101,75    325477,1141238110108,25111,75      83,4152253120118,25121,75      89,5163275130128132       175293140138142       187317150148152       198328160158162       209348170168172        366180178182        385190187,7192,3        404200197,7202,3        421NO.Mechanical or
physical propertyProperty class4.64.85.65.86.88.89.810.912.9/12.9D≤16mmad>16mmbd≤16mm1Tensile strength
Rm,Mpanom.c40050060080090010001200max.400420500520600800830900104012202Lower yield strength
ReL,Mpanom.c240--300--------------max.240--300--------------3Stress at 0,2 % nonproportional elongation
Rp0.2,Mpanom.c----------6406407209001080max.----------64066072094011004Stress at 0,0048 d non-proportional elongation for
full-size fasteners
Rpf,Mpanom.c--320--400480----------max.--340e--420e480e----------5Stress under proof load
Spf,Mpanom.225310280380440580600650830970Proof Sp,nom/ReL min--524848448Elongation after fracture for full-size
fasteners,Afmin.--0.24--0.220.2----------9Head soundnessNo fracture10Vickers hardness, HV,
F≥98Nmin.120130155160190250255290320385max.220g25032033536038043511Brinell hardness, HBW
,F=30D²min.114124147152181238242276304366max.209g23830431834236141412Rockwell hardness,HRB ,
HRBmin.6771798289 max.95g99.5 Rockwell hardness,
HRCmin.--2223283239max.--323437394413Surface hardness
HV 0.3max.--hh,jh,j14Height of non-decarburized thread zone,E,mmmin.--1/2H12/3H13/4H1Depth of complete decarburization in the
thread,G,mmmax.--0.01515Reduction of hardness after retempering,HVmax.--2016Breaking torque,
MB,N·mmin.--in accordance with ISO 898-717Impact strength,
KVK,I,Jmin.--27--27272727m18Surface integrity in accordance withISO 6157-1nISO 6157-3a Values do not apply for structural bolting.
b For structural bolting d W M12.
c Nominal values are specified only for the purpose of the designation system for property classes.See Clause 5.
d In cases where the lower yield strength ReL cannot be determined, it is permissible to measure the stress at 0,2 % non-proportional elongation Rp0,2.
e For the property classes 4.8, 5.8 and 6.8 the values for Rpf min are under investigation. The present values are given for calculation of the proof stress ratio only. They are not test values.
f Proof loads are specified in Tables 5 and 7.
g Hardness determined at the end of a fastener shall be 250 HV, 238 HB or 99,5 HRB maximum.
h Surface hardness shall not be more than 30 Vickers points above the measured core hardness of the fastener when determination of both surface hardness and core hardness are carried out with HV 0,3.
i Any increase in hardness at the surface which indicates that the surface hardness exceeds 390 HV is not acceptable.
j Any increase in hardness at the surface which indicates that the surface hardness exceeds 435 HV is not acceptable.
k Values are determined at a test temperature of −20 °C, see 9.14.
l Applies to d W 16 mm. m Value for KV is under investigation.
n Instead of ISO 6157-1, ISO 6157-3 may apply by agreement between the manufacturer and the purchaser.

 

 

CHEMICAL COMPOSI %CSiMnPSCrNiCuMo0.420.270.920.0130.0041.010.030.040.2


Finish

 

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

Stainless Carbon Steel Hex Hexagon Round Bugle Slotted Head Coarse Thread Drywall Furniture Wood Self Tapping Drilling Roofing Ring Anchor Chipboard Screws
Free Samples for standard fastener from Jiaxing City Qunbang Hardware
 We Promise:
1.High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. The best service

Our Services
Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers' specification and performance.
Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
Cost effective: Competitive prices with professional factory supply
Perfect fastening solution with 15 years experiences to solve your problem: Wide range of parts selection.
Customized Ideal Fasteners: customized services according to the samples and drawings offered

Free Samples for Standard Fastener from Jiaxing City Qunbang Hardware
 We Promise:
1.High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. The best service

FAQ
1.What's your experience like?

Our general manager has been engaged in the export of fasteners since 2005. 
Our team can provide you with professional fasteners selling and smooth export services.

2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you refer at once.

3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.

4.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce your goods.

5.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer's logo on the cartons. Or we customized cartons according to customers' requirement.

6.What is your payment term?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order. 


Awaiting for your kind inquiry! Thanks & best regards!
For more information:  http://qbfastener.en.made-in-china.com