Square Hole Washers are wider and thicker than most round washers which helps distribute heavy loads. The square shape prevents rotation when placed within a square recess. Square Hole Washers are suitable for use with coach bolts and holding down bolts.
1. Stainless steel: 201,303,304,316,410
2. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045
3. Copper: H62,H65,H68
4. Aluminum: 5056, 6061, 6062, 7075
5. According to customer demand
One-stop shopping; • professional and experienced engineers and strict QC and QA system • response within 24 hours
Have passed the quality authentication • large stock for standard size
Timely delivery • Supply Material and Test Reports;
Samples for free
Zinc plated, Nickle plated, Chrome plated, Passivation, Oxidation, Anodization, Black Oxide, Phosphatizing, Power Coating and Eletrophoresis, etc
cold heading machine, threading machine, CNC machining center, CNC lathe, automatic lathe machine, conventional lathe machine, milling machine, drilling machine, grinding machine, etc
ISO9001:2000, CE, RoHS,
Delivery,shipping & Serving：
Lead time: 5 working days for sample , 30 working days for bulk order.
Shipping: Ocean , Air, Express ( UPS , FEDEX, DHL, TNT)
Bulk packed in the 25kgs knited bags, then in Wooden cases.
Q: Can you offer me sample?
A: Yes, we can offer you sample to test and check quality.
Q: How does your factory do regarding quality control?
A: We have professional QC team to inspect each items from the links of production to package.
Q: How about your delivery time?
A: Normally it will take 5-35 days after receiving your deposit.
Q: What is your payment term?
A: T/T,Western Union,L/C,and Paypal.This is negotiable.
Q: What is the shipping method?
A: It could be shipped by sea,by air or by express(EMS,UPS,DHL,TNT,FEDEX and ect).Please confirm with us before placing orders.