AI Search

GB /T 31.1 - 2013

Hexagon Bolts with Split Pin Hole on Shank

GB /T 31.1 - 2013 六角头螺杆带孔螺栓

See all versions and complete specifications: Hexagon Bolts with Split Pin Hole on Shank — Full Specification Page

Dimensional Specifications — GB /T 31.1 - 2013 (mm)

Size	P	s_max	s_min	k_nominal
M6	1.25	2.25	2	4
M8	1.75	3.5	3.2	6
M10	2	4.3	4	7
M12	2.5	4.3	4	③
M16	3.5	6.66	6.3	12
M20	5	8.36	8	16
(M14)	3	5.3	5	10
(M18)	4.5	8.36

Related Standards

GB /T 31.2 - 2025— Hexagon Head Bolts with Split Pin Hole on Shank - Reduced Shank - Product Grade B GB /T 31.3 - 2025— Hexagon Head Bolts with Split Pin Hole on Shank - Fine Pitch Thread GB /T 31.1 - 1988— Hexagon Bolts with Split Pin Hole on Shank A and B GB /T 31.2 - 1988— Hexagon Bolts with Split Pin Hole On Shank-Reduced Shank-Product Grade B GB 31.3 - 1988— Hexagon Bolts with Split Pin Hole on Shank-Fine Pitch Thread-Product Grade A and B GB 23 - 1976— Bolts, Small Hexagon Head with Hole Through The Shank GB 24 - 1976— Bolts, Small Hexagon Head with Fit Neck and Hole Through The Shank DIN 65526 - 2016— Aerospace Series - Hexagon Bolts, Close Tolerance, with Short-length MJ Thread, Titanium Alloy, Nominal Tensile Strength 1100 Mpa, for Temperatures up to 315℃

Technical Specifications & Availability

Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.

Request Technical Specifications WhatsApp Inquiry

Product Documentation|Application Consultation|Quick Chat

Technical Support Available

Material Certifications

Custom Specifications