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R38N Self-drilling Rock Bolt and Accessories

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Description Size Weight Part No. Remark
(kg) (lb)
Bit with thread R38N Steel cross bit R38/76 mm 1.20 2.65 38MR31176 Hardened cross bit for loose to medium dense conditions with small boulders
R38/90 mm 1.40 3.09 38MR31190
Steel arched bit R38/76 mm 1.20 2.65 38MR34176 Hardened arched bit for optimized geometry for unconsolidated soil with small boulders
TC arched bit R38/115 mm 2.85 6.28 38MR342115 TC arched bit for optimized geometry for soft to medium rock formations
TC cross bit R38/76 mm 1.25 2.76 38MR31276 TC cross bit for soft to medium rock formations
R38/90 mm 1.45 3.20 38MR31290
TC 3 cutter bit R38/76 mm 0.85 1.87 38MR33276 TC insert bit for soft to medium rock formations
Steel button bit R38/76 mm 1.00 2.21 38MR30176 Hardened button bit for unconsolidated rock with boulders
TC button bit R38/76 mm 1.00 2.21 38MR30276 TC insert button bit for medium rock formations

Bar R38 Length(mm) Part No.
1 m long 38MR01
2 m long 38MR02
3 m long 38MR03
4 m long 38MR04
6 m long 38MR06


Nut R38 Key size(mm) Length(mm) Part No. Weight
(kg) (lb)
50 60 38MR6050 0.40 0.88


Coupler R38 Diameter(mm) Length(mm) Part No. Weight
(kg) (lb)
51 220 38MR2251 1.70 3.75


Anchor plate R38 Dimension(mm) Hole diameter(mm) Part No. Weight
(kg) (lb)
200 × 200×10 40 38MR1040 2.94 6.48
200×200×12 40 38MR1240 3.60 7.94


Spherical nut R38 Key size(mm) Length(mm) Part No. Weight
(kg) (lb)
55 65 38MR6555S 0.90 1.98
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